Windows 7 Activation Code Disappeared and Do Not Have Permission to Enter Again

Activation helps verify that your re-create of Windows is genuine and hasn't been used on more than devices than the Microsoft Software License Terms allow. This commodity will help you lot troubleshoot and fix mutual activation errors in Windows.

For assist finding your product key, see Find your Windows product fundamental. For troubleshooting and other info well-nigh updating Windows 11, see Windows Update: FAQ or Troubleshoot problems updating Windows. For info on upgrading to Windows 11, see Upgrade to Windows: FAQ.

If y'all're having trouble activating Windows 11, follow these steps to gear up activation errors:

1. Ostend that your device is upwardly to date and running Windows eleven. In the search box on the taskbar, type winver, and so select Winver from the list of results. You lot'll encounter the version and build of Windows.
   Non running Windows 11? Learn how to update your device at update Windows.

2. Use the Activation troubleshooter to resolve uncomplicated errors. For more info, see Try the Activation troubleshooter below.

3. If you lot're still getting an error, check the list of fault codes below and follow the suggested steps to resolve it.

4. Make sure the error hasn't changed. Sometimes when you run the Activation troubleshooter or try to activate, the mistake code and bulletin will change. If the error lawmaking has changed, look up the new code below and follow the recommended steps. (If you're getting an error code that isn't listed on this page, contact client back up.)

Not running Windows 11 nonetheless? See Activate Windows or Activate Windows 7 or Windows viii.1.

Try the Activation troubleshooter

If you're running Windows 11, the Activation troubleshooter might help reactivate Windows if yous recently made a significant hardware change (such every bit replacing the motherboard) or reinstalled Windows.

You must be an administrator to apply this option. For more info, encounter Using the Activation troubleshooter.

Fix common errors

The following are some of the most common activation errors with possible solutions for Windows xi. If you're getting an error code that isn't listed on this page, contact customer back up.

If yous upgraded to Windows 11 for free and your device isn't activated, make sure y'all're running the latest version of Windows 11. This version includes improvements to activation and troubleshooting activation errors. For more info about how to keep Windows up to date, see Windows Update: FAQ.

• For more info well-nigh how activation works in Windows xi or Windows 10, meet Activate Windows.

• For more info about how to activate Windows 7 or Windows 8.one including how to activate either by phone, run across Activate Windows 7 or Windows 8.one.

Fault	What it means and how to fix information technology
Windows reported that the hardware of your device has inverse. 0xC004F211	A Windows license is associated with your device hardware. If you make meaning hardware changes, such equally replacing your motherboard, Windows won't be able to find a matching license the next time yous start your device. If Windows was preinstalled on the device and y'all have made a change such as replacing the motherboard, y'all'll need a new license. To purchase a new Windows license, Offset > Settings > System > Activation , and then select Become to Microsoft Store. Open up Activation settings If you have a Windows product key you lot used on your device before the hardware alter, enter it by selecting Start > Settings > Arrangement > Activation, so selecting Change production cardinal. Additionally, Microsoft provides an exception path for transferring a Windows License after a hardware change. You lot'll need to be signed in to the same Microsoft account before making the hardware change and to use the exception path. To access this exception path, select Start > Settings > System > Activation, and so select Troubleshoot. If the troubleshooter tin can't resolve the issue, y'all'll meet a link to reactivate later a hardware alter. Select it to follow this path. For more info, see Reactivating Windows after a hardware change.
The product fundamental used on this device didn't work with this edition of Windows. You might need to go far touch with the store or company yous bought Windows from, enter a dissimilar product cardinal, or become to the Store to buy genuine Windows. 0xC004F212	When you reinstall Windows xi using a digital license, y'all're asked to cull which edition to install. If you choose an edition other than the one you're licensed to use, you may receive this fault. If you lot think you lot installed the wrong edition, select Commencement > Settings > Organisation > Activation, and then select Troubleshoot. If the troubleshooter detects a valid Windows 11 digital license for an edition not currently installed, it volition permit yous know and show you how to install the correct edition. Open up Activation settings
Windows reported that no product key was institute on your device. 0xC004F213	A Windows license is associated with your device hardware. If you make significant hardware changes, such as replacing your motherboard, Windows won't exist able to find a matching license the side by side time you get-go your device. If Windows was preinstalled on the device and y'all have made a change such every bit replacing the motherboard, you lot'll need a new license. To purchase a new Windows license, select First > Settings > System > Activation , and so select Get to Microsoft Store. Open up Activation settings If you have a Windows product cardinal you used on your device before the hardware change, enter it past selecting Start > Settings > Organization > Activation, and so selecting Change product central. In add-on, Microsoft provides an exception path for transferring a Windows License later on a hardware modify. You'll need to be signed in to the same Microsoft account before making the hardware change and to apply the exception path. To access this exception path, select Showtime > Settings > Update & Security > Activation, and then select Troubleshoot. If the troubleshooter can't resolve the issue, you'll see a link to reactivate after a hardware change. Select information technology to follow this path. For more info, see Reactivating Windows afterwards a hardware change.
"Your Windows License Will Elapse Soon" alarm	This may occur if y'all have a volume license client installed. Windows 11 Pro book license clients are used past large organizations that deploy Windows xi to hundreds or thousands of computers. In this state of affairs, activation is typically managed by your organisation, and you'll need to contact your organization administrator for help. For more info, see Troubleshooting Windows license expiration bug.
0x803f7001	If you see error lawmaking 0x803F7001, it means that a valid Windows 11 license couldn't be constitute to activate Windows on your device. Here'due south how to actuate Windows: Select Get-go  > Settings  > System  > Activation . If you have a valid product fundamental, select Change product key, and and then enter the 25-character product key. If y'all don't accept a valid product cardinal, select Go to Microsoft Shop, and follow the instructions to buy a digital license for Windows. Open up Activation settings Note:Your product key should be in the confirmation email you received later on buying Windows, included with the packaging that came with your device, or on the Certificate of Authenticity (COA) attached to the dorsum or bottom of your device. For help finding your product cardinal, see Discover your Windows product key. For more info on how to troubleshoot mistake code 0x803F7001, meet Set up Windows activation error 0x803F7001.
0x800704cF	This error means nosotros didn't find a valid Windows license for your device. You must use a valid product fundamental to activate Windows. Your production key should be in the confirmation email you received after buying Windows, included with the packaging that came with your device, or on the Certificate of Authenticity (COA) attached to the back or bottom of your device. For help finding your product key, see Notice your Windows product key. If you accept a valid product key, utilize information technology to actuate Windows: Select Start > Settings  > System  > Activation . Select Change product fundamental, and and then enter the 25-grapheme product fundamental. Open Activation settings If you lot've made a major change to your device'south hardware, such equally a motherboard replacement, run the Windows Activation troubleshooter located on the activation settings page. Note that you might be asked to go through the reactivation procedure. For more than info, see Using the Activation troubleshooter. Notes: If you're looking for info nigh how to activate Windows 7 or Windows 8.1 see Activate Windows vii or Windows eight.i. If you're looking for info virtually how to activate Windows 11 see Activate Windows.
0xC004C060, 0xC004C4A2, 0xC004C4A2, 0x803FA067L, 0xC004C001, 0xC004C004, 0xC004F004, 0xC004C007, 0xC004F005, 0xC004C00F, 0xC004C010, 0xC004C00E, 0xC004C4A4, 0xC004C4A5, 0xC004B001, 0xC004F010, 0xC004F050	Reasons why y'all might come across these errors: Yous entered a product key that tin't be used to actuate Windows. Enter a unlike product central or purchase a new product fundamental. You upgraded to Windows 11, just the activation servers were busy. If you upgraded from an activated copy of Windows 7 or Windows 8.1, your copy of Windows eleven volition be automatically activated, or you tin wait a while and then select Activate. If you continue to accept bug with activation, contact client support. Y'all upgraded to Windows eleven using the free upgrade offer, merely Windows xi isn't activated after a reinstall. Your re-create of Windows 11 should automatically be activated as long as you didn't brand any pregnant hardware changes to your device (such every bit replacing the motherboard). If yous continue to accept problems with activation, contact customer back up.
0xC004C003	You may see this error considering the Windows 11 product key yous entered isn't valid. Product keys are unique—assigned to a specific user to install on a single device. If a key was used (or attempted to be used) on multiple devices, it'south marked as not valid. To actuate Windows, yous'll need to provide a dissimilar Windows key unique to your device. If you bought a device from a reseller of Windows xi and expected the key to be valid, contact the reseller. If your device was purchased with Windows 11 preinstalled and you received this activation error upon turning information technology on for the first time, contact your device manufacturer. If your experience with your device is different from those listed above, try the following: Run the Windows Activation Troubleshooter: Select Start > Settings  > System  > Activation  and and then selectTroubleshoot. Open up Activation settings Cheque to see if y'all have a paper copy of your Windows 25-character production fundamental you can enter to activate Windows 11. If your device was recently repaired at an independent repair facility, contact them to see if the repairs crave a new Windows 11 license. If the device is new and has never been activated, contact your device manufacturer.
0xC004F034	Y'all might see this error if you entered an invalid product key or a production fundamental for a different version of Windows. Enter a valid product key that matches the version and edition of Windows 11 installed on your device. If Windows is installed on a device that connects to a Central Management Service (KMS) server, contact your organization's support person for more than info about how to actuate Windows.
0xC004F210	You might come across this error if you lot entered a product key for a unlike edition of Windows than the edition installed on your device. You lot might besides run across this fault if you previously upgraded to Windows 11, but the current edition of Windows installed on your device doesn't friction match the edition of your digital license. You tin can either enter a valid product fundamental that matches the edition of Windows installed on your device or reinstall the edition of Windows 11 that matches your digital license. If your device is running Windows eleven (Version 1607 or afterwards), the Activation troubleshooter can help you lot install the correct edition of Windows on your device. For more info, see Using the Activation troubleshooter.
0xC004E016, 0xC004F210	You might run across this error if you entered a production key for a different version or edition of Windows. For example, a product key for the Enterprise edition of Windows 11can't be used to activate Windows eleven Abode or Windows 11 Core editions. Enter a product fundamental that matches the version and edition of Windows installed on your device or buy a new re-create of Windows from the Microsoft Shop.
0xC004FC03	You might come across this error if you're not connected to the internet or your firewall settings are preventing Windows from completing the activation process online. Make sure that y'all're connected to the internet and your firewall isn't blocking Windows from activating. If you're however having problems, try to activate Windows by phone. In the search box on the taskbar, blazon SLUI 04, select SLUI 04 from the list of results, and then follow the instructions on the screen to activate Windows. Notation:If you're running Windows 11 Pro EDU or Windows 11 Pro for Workstations, y'all must actuate Windows over the internet—phone activation and SLUI 04 can't be used. Encounter How to activate Windows eleven Pro for Workstations and Windows xi Pro EDU.
0xC004E028	Yous might run into this error if you try to actuate a device that is already in the procedure of activation. Your device should exist activated after the commencement request is completed.
0x8007267C	You might run across this error if you're not connected to the internet or the activation server is temporarily unavailable. Make certain that you're connected to the internet and your firewall isn't blocking Windows from activating.
0xD0000272, 0xC0000272, 0xc004C012, 0xC004C013, 0xC004C014	If the activation server is temporarily unavailable, your copy of Windows will automatically be activated when the service comes back online.
0xC004C008, 0xC004C770, 0x803FA071	Yous might run into this error if the product key has already been used on another device, or it's being used on more than devices than the Microsoft Software License Terms allow. To gear up the problem, buy a production key for each one of your devices to activate Windows on them. If you're using Windows xi, you lot tin purchase Windows from the Microsoft Shop: Select Start > Settings  > Update & Security  > Activation . Select Go to Microsoft Shop, so follow the instructions to buy Windows 11. Open Activation settings Notes: If you don't see Become to Microsoft Store on the Activation folio, contact your organization'southward support person. If yous made a substantial hardware changes to your device (such equally replacing the motherboard) and you lot take a valid product key, try to activate Windows by phone. In the search box on the taskbar, type SLUI 04, select SLUI 04 from the list of results, then follow the instructions on the screen to activate Windows. For more info most reactivating Windows 11 (Version 1607 or later) after a hardware modify, encounter Reactivating Windows after a hardware change. If you're running Windows 11 Pro EDU or Windows xi Pro for Workstations, you must activate Windows over the internet—phone activation and SLUI 04 tin can't be used. Learn more virtually Windows eleven Pro EDU or Windows eleven Pro for Workstations.
0xC004F00F	Yous might run across this error if yous entered a production key for the Enterprise edition of Windows to actuate Windows 11 Home or Windows xi Pro. Enter a product key that matches the edition of Windows on your device.
0xC004C020	This error occurs when a Volume License (a license that was bought from Microsoft by an organisation to install Windows on multiple devices) was used on more devices than the Microsoft Software License Terms allow. To fix the problem, yous might need to utilize a different product key to actuate Windows on your device. Contact your organization's back up person for more info.
0x8007232B, 0xC004F074, 0xC004F038, 0x8007007B	You lot might see this mistake if y'all entered a product key for the Enterprise edition of Windows to actuate Windows xi Home or Windows 11 Pro. Endeavour entering a product central that matches the edition of Windows on your device. Or, yous might see this fault if you're trying to activate your piece of work device but aren't connected to your workplace's network. If you lot're connected to your piece of work network and withal meet this error, y'all might need to modify the network settings. Contact your organization'southward support person for more info. If your organization doesn't have a back up person, you might demand to enter your product key again: Select Starting time > Settings  > System  > Activation . Select Change product key, and then type your 25-character product fundamental. Open Activation settings You might be asked for an admin countersign or to confirm your choice.
0x80072F8F	You might encounter this mistake if the appointment and fourth dimension for the device is incorrect, or Windows has trouble connecting to the online activation service and can't verify your product cardinal. To verify the appointment and time, select Start > Settings  > Time & language > Engagement & time. Verify date and time in Settings To check your internet connection: In the search box on the taskbar, type network troubleshooter, then select Place and repair network issues from the list of results. Follow the instructions to fix any problems with the network. If the network troubleshooter didn't discover any problems with your network connexion, attempt restarting your device to see if that fixes the problem.
0xC004E003	You might meet this mistake later on installing third-party software that inverse system files. Windows activation needs certain arrangement files to consummate activation. You tin effort to restore the organization files back to an earlier bespeak in time. This removes whatsoever software you installed after that point in time without affecting your personal files. For more info, see the section about how to restore from a system restore point in Recovery options in Windows.
0x80004005	Select Showtime  > Settings  > Update & Security  > Activation , and then select Troubleshoot to run the Activation troubleshooter. For more than info about the troubleshooter, meet Using the Activation troubleshooter. Open Activation settings If this doesn't work, you lot might need to reset your device. For more info, meet the section in Recovery options in Windows.
0x87e10bc6	An error occurred with our activation server or licensing service. Delight wait a few minutes and then try the following Windows eleven Pro License Recovery steps: Select Outset > Settings  > System  > Activation , and and then select Troubleshoot to run the Activation troubleshooter. Open Activation settings When the troubleshooter is complete, select Become to Microsoft Shop to launch the Microsoft Store app. If the Microsoft Store app shows there was a trouble, select Try over again. After a few minutes, y'all should see a bulletin that thanking you lot for activating 18-carat Windows, followed by another message showing that Windows was activated. For more info about the troubleshooter, see Using the Activation troubleshooter.
0x80070652	This error can occur if the update components are missing or corrupted on the computer. This mistake might as well occur due to poor network connectivity received past the system. Apply the Windows update troubleshooter to check for the corrupted or missing updates or components. Running the troubleshooter volition help notice and in some cases fix the consequence. Also, check the forcefulness of your cyberspace connexion.
All other error codes	Get to Windows Aid, enter the error code in the Search for Assistance box at the top-right, and run the search. Browse through the search results carefully to make certain you try only those that apply to your situation.

Activation helps verify that your re-create of Windows is genuine and hasn't been used on more than devices than the Microsoft Software License Terms allow. This article volition help you troubleshoot and set common activation errors in Windows.

For help finding your product fundamental, encounter Find your Windows product key. For troubleshooting and other info about updating Windows ten, meet Windows Update: FAQ or Troubleshoot issues updating Windows. For info on upgrading to Windows x, see Upgrade to Windows: FAQ.

If yous're having trouble activating Windows 10, follow these steps to fix activation errors:

1. Confirm that your device is up to date and running Windows 10, version 1607 or after. In the search box on the taskbar, type winver, and then select Winver from the list of results. You'll see the version and build of Windows.
   Not running Windows 10, version 1607 or later? Learn how to update your device at update Windows 10.

2. Apply the Activation troubleshooter to resolve simple errors. For more info, see Endeavor the Activation troubleshooter below.

3. If yous're still getting an mistake, check the list of error codes beneath and follow the suggested steps to resolve it.

4. Make sure the error hasn't changed. Sometimes when you run the Activation troubleshooter or try to actuate, the mistake lawmaking and message will change. If the fault code has changed, look upwardly the new code below and follow the recommended steps. (If you're getting an mistake lawmaking that isn't listed on this page, contact client back up.)

Not running Windows 10 yet? See Activate Windows 7 or Windows viii.1.

Effort the Activation troubleshooter

If you're running Windows 10, version 1607 or afterward, the Activation troubleshooter might help reactivate Windows if you recently fabricated a significant hardware change (such as replacing the motherboard) or reinstalled Windows.

You must be an administrator to employ this option. For more than info, see Using the Activation troubleshooter.

Fix mutual errors

The following are some of the almost common activation errors with possible solutions for Windows x. If you're getting an error code that isn't listed on this page, contact customer back up.

If you upgraded to Windows 10 for free and your device isn't activated, make certain y'all're running the latest version of Windows x. This version includes improvements to activation and troubleshooting activation errors. For more info most how to proceed Windows up to date, see Windows Update: FAQ.

• For more info about how activation works in Windows ten, meet Activate Windows.

• For more info about how to activate Windows 7 or Windows 8.i, including how to activate either by telephone, encounter Activate Windows 7 or Windows 8.one.

Mistake	What it means and how to set it
Windows reported that the hardware of your device has changed. 0xC004F211	A Windows license is associated with your device hardware. If you make significant hardware changes, such as replacing your motherboard, Windows won't be able to observe a matching license the side by side time y'all start your device. If Windows was preinstalled on the device and you have made a change such as replacing the motherboard, you'll need a new license. To buy a new Windows license, Start > Settings > Update & Security > Activation , and then select Go to Microsoft Store. Open Activation settings If you lot have a Windows product key you used on your device before the hardware change, enter it by selecting Offset > Settings > Update & Security > Activation, and and so selecting Change production primal. Additionally, Microsoft provides an exception path for transferring a Windows License subsequently a hardware modify. You'll need to be signed in to the same Microsoft account before making the hardware change and to use the exception path. To access this exception path, select Beginning > Settings > Update & Security > Activation, and then select Troubleshoot. If the troubleshooter can't resolve the issue, y'all'll see a link to reactivate later a hardware modify. Select it to follow this path. For more than info, see Reactivating Windows afterward a hardware alter.
The product central used on this device didn't work with this edition of Windows. Y'all might demand to go in impact with the store or visitor you bought Windows from, enter a different product primal, or go to the Store to buy genuine Windows. 0xC004F212	When yous reinstall Windows x using a digital license, you're asked to cull which edition to install. If you choose an edition other than the one you're licensed to use, you may receive this error. If yous call back you installed the wrong edition, select Get-go > Settings > Update & Security > Activation, and then select Troubleshoot. If the troubleshooter detects a valid Windows 10 digital license for an edition non currently installed, it will let you know and show you how to install the correct edition. Open up Activation settings
Windows reported that no production key was establish on your device. 0xC004F213	A Windows license is associated with your device hardware. If you make significant hardware changes, such as replacing your motherboard, Windows won't be able to discover a matching license the next time you start your device. If Windows was preinstalled on the device and you take fabricated a change such every bit replacing the motherboard, you'll need a new license. To buy a new Windows license, select Start > Settings > Update & Security > Activation , and so select Go to Microsoft Store. Open Activation settings If you take a Windows product key you used on your device before the hardware modify, enter it past selecting Start > Settings > Update & Security > Activation, and so selecting Change production key. In improver, Microsoft provides an exception path for transferring a Windows License after a hardware alter. You'll demand to be signed in to the same Microsoft account before making the hardware change and to use the exception path. To access this exception path, select Kickoff > Settings > Update & Security > Activation, so select Troubleshoot. If the troubleshooter can't resolve the issue, you'll come across a link to reactivate after a hardware change. Select it to follow this path. For more info, see Reactivating Windows after a hardware change.
"Your Windows License Will Expire Soon" warning	This may occur if you have a volume license customer installed. Windows 10 Pro volume license clients are used by big organizations that deploy Windows 10 to hundreds or thousands of computers. In this state of affairs, activation is typically managed by your system, and yous'll need to contact your system administrator for assistance. For more info, encounter Troubleshooting Windows license expiration problems.
0x803f7001	If you encounter error lawmaking 0x803F7001, it means that a valid Windows 10 license couldn't be found to activate Windows on your device. Hither'southward how to activate Windows: Select Get-go  > Settings  > Update & Security  > Activation . If you have a valid product key, select Change product key, and then enter the 25-character product key. If y'all don't accept a valid product fundamental, select Go to Microsoft Store, and follow the instructions to purchase a digital license for Windows. Open Activation settings Annotation:Your production key should be in the confirmation electronic mail you received later buying Windows, included with the packaging that came with your device, or on the Certificate of Actuality (COA) attached to the back or lesser of your device. For assist finding your product fundamental, see Find your Windows product key. For more info on how to troubleshoot error code 0x803F7001, see Fix Windows activation error 0x803F7001.
0x800704cF	This error means we didn't find a valid Windows license for your device. Y'all must use a valid product fundamental to activate Windows. Your product key should be in the confirmation email yous received later on ownership Windows, included with the packaging that came with your device, or on the Certificate of Authenticity (COA) attached to the back or bottom of your device. For assist finding your product key, see Notice your Windows product fundamental. If y'all accept a valid product central, utilise it to activate Windows: Select First > Settings  > Update & Security  > Activation . Select Change production key, and so enter the 25-character product primal. Open Activation settings If you've fabricated a major alter to your device's hardware, such every bit a motherboard replacement, run the Windows Activation troubleshooter located on the activation settings page. Annotation that yous might be asked to go through the reactivation process. For more info, see Using the Activation troubleshooter. Note:If you're looking for info almost how to activate Windows 7 or Windows 8.ane, see Activate Windows 7 or Windows 8.1.
0xC004C060, 0xC004C4A2, 0xC004C4A2, 0x803FA067L, 0xC004C001, 0xC004C004, 0xC004F004, 0xC004C007, 0xC004F005, 0xC004C00F, 0xC004C010, 0xC004C00E, 0xC004C4A4, 0xC004C4A5, 0xC004B001, 0xC004F010, 0xC004F050	Reasons why yous might see these errors: You entered a product fundamental that can't exist used to activate Windows. Enter a different product key or buy a new product key. You upgraded to Windows 10, but the activation servers were busy. If yous upgraded from an activated copy of Windows vii or Windows 8.1, your re-create of Windows 10 will be automatically activated, or yous can wait a while then select Activate. If you lot go along to have problems with activation, contact client back up. You upgraded to Windows x using the gratis upgrade offer, just Windows 10 isn't activated after a reinstall. Your copy of Windows 10 should automatically be activated as long as you didn't make any significant hardware changes to your device (such equally replacing the motherboard). If you continue to have issues with activation, contact customer support.
0xC004C003	You may see this error considering the Windows ten product cardinal you entered isn't valid. Production keys are unique—assigned to a specific user to install on a single device. If a cardinal was used (or attempted to be used) on multiple devices, it's marked every bit not valid. To activate Windows, you'll need to provide a different Windows key unique to your device. If yous bought a device from a reseller of Windows 10 and expected the central to be valid, contact the reseller. If your device was purchased with Windows 10 preinstalled and y'all received this activation error upon turning information technology on for the first time, contact your device manufacturer. If your experience with your device is unlike from those listed above, try the following: Run the Windows ten Activation Troubleshooter: Select Start > Settings  > Update & Security  > Activation  then selectTroubleshoot. Open up Activation settings Cheque to run across if you have a paper copy of your Windows 25-character product key you tin enter to actuate Windows 10. If your device was recently repaired at an independent repair facility, contact them to see if the repairs require a new Windows 10 license. If the device is new and has never been activated, contact your device manufacturer.
0xC004F034	You might run into this error if y'all entered an invalid production key or a production key for a different version of Windows. Enter a valid product fundamental that matches the version and edition of Windows 10 installed on your device. If Windows is installed on a device that connects to a Key Management Service (KMS) server, contact your organization's support person for more info about how to activate Windows.
0xC004F210	You lot might see this fault if you lot entered a product key for a different edition of Windows than the edition installed on your device. You might also see this error if you previously upgraded to Windows 10, only the electric current edition of Windows installed on your device doesn't match the edition of your digital license. You lot can either enter a valid product key that matches the edition of Windows installed on your device or reinstall the edition of Windows 10 that matches your digital license. If your device is running Windows 10 (Version 1607 or after), the Activation troubleshooter tin can help yous install the correct edition of Windows on your device. For more info, meet Using the Activation troubleshooter.
0xC004E016, 0xC004F210	You might see this fault if yous entered a product key for a different version or edition of Windows. For example, a product cardinal for the Enterprise edition of Windows x can't be used to activate Windows x Home or Windows x Core editions. Enter a production key that matches the version and edition of Windows installed on your device or buy a new re-create of Windows from the Microsoft Shop.
0xC004FC03	You might see this error if you're non connected to the internet or your firewall settings are preventing Windows from completing the activation procedure online. Make certain that you're connected to the internet and your firewall isn't blocking Windows from activating. If you're however having problems, try to activate Windows by phone. In the search box on the taskbar, type SLUI 04, select SLUI 04 from the list of results, and then follow the instructions on the screen to actuate Windows. Note:If yous're running Windows 10 Pro EDU or Windows 10 Pro for Workstations, you lot must activate Windows over the internet—phone activation and SLUI 04 tin can't be used. See How to activate Windows ten Pro for Workstations and Windows 10 Pro EDU.
0xC004E028	Yous might see this error if you attempt to activate a device that is already in the procedure of activation. Your device should be activated afterwards the offset request is completed.
0x8007267C	Y'all might see this error if you lot're not continued to the internet or the activation server is temporarily unavailable. Make sure that you're connected to the internet and your firewall isn't blocking Windows from activating.
0xD0000272, 0xC0000272, 0xc004C012, 0xC004C013, 0xC004C014	If the activation server is temporarily unavailable, your copy of Windows volition automatically be activated when the service comes back online.
0xC004C008, 0xC004C770, 0x803FA071	Y'all might see this error if the product key has already been used on another device, or information technology's being used on more than devices than the Microsoft Software License Terms allow. To fix the problem, purchase a product fundamental for each one of your devices to actuate Windows on them. If you lot're using Windows 10, yous can purchase Windows from the Microsoft Store: Select Start > Settings  > Update & Security  > Activation . Select Go to Microsoft Store, and so follow the instructions to buy Windows 10. Open Activation settings Notes: If you don't see Get to Microsoft Shop on the Activation folio, contact your organisation'due south back up person. If you fabricated a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone. In the search box on the taskbar, type SLUI 04, select SLUI 04 from the listing of results, and so follow the instructions on the screen to actuate Windows. For more info about reactivating Windows x (Version 1607 or later) after a hardware change, see Reactivating Windows after a hardware change. If you're running Windows 10 Pro EDU or Windows 10 Pro for Workstations, y'all must activate Windows over the internet—phone activation and SLUI 04 can't be used. Learn more than most Windows xi Pro EDU or Windows 11 Pro for Workstations.
0xC004F00F	You might run into this error if you entered a product primal for the Enterprise edition of Windows to actuate Windows x Dwelling house or Windows x Pro. Enter a product key that matches the edition of Windows on your device.
0xC004C020	This mistake occurs when a Volume License (a license that was bought from Microsoft by an organization to install Windows on multiple devices) was used on more devices than the Microsoft Software License Terms allow. To prepare the problem, you lot might need to use a unlike product key to activate Windows on your device. Contact your organization's support person for more info.
0x8007232B, 0xC004F074, 0xC004F038, 0x8007007B	Yous might encounter this fault if you entered a product central for the Enterprise edition of Windows to activate Windows 10 Home or Windows 10 Pro. Effort entering a product key that matches the edition of Windows on your device. Or, you might see this error if y'all're trying to activate your piece of work device but aren't connected to your workplace'southward network. If y'all're connected to your piece of work network and still encounter this error, you might need to modify the network settings. Contact your arrangement'due south support person for more info. If your organization doesn't have a support person, you lot might need to enter your product primal over again: Select Beginning > Settings  > Update & Security  > Activation . Select Alter product fundamental, then type your 25-character product key. Open up Activation settings You might be asked for an admin password or to confirm your choice.
0x80072F8F	You might run across this error if the date and fourth dimension for the device is incorrect, or Windows has trouble connecting to the online activation service and can't verify your production key. To verify the date and time, select Showtime > Settings  > Time & language > Date & time. Verify date and time in Settings To bank check your net connection: In the search box on the taskbar, type network troubleshooter, and then select Place and repair network problems from the list of results. Follow the instructions to set any issues with the network. If the network troubleshooter didn't observe whatever problems with your network connection, try restarting your device to see if that fixes the trouble.
0xC004E003	You might run across this error after installing third-party software that changed system files. Windows activation needs certain system files to complete activation. You tin try to restore the system files back to an earlier indicate in time. This removes any software you installed later on that point in time without affecting your personal files. For more info, come across the section most how to restore from a system restore point in Recovery options in Windows.
0x80004005	Select Kickoff  > Settings  > Update & Security  > Activation , and then select Troubleshoot to run the Activation troubleshooter. For more info nigh the troubleshooter, encounter Using the Activation troubleshooter. Open Activation settings If this doesn't work, you might need to reset your device. For more than info, come across the department in Recovery options in Windows.
0x87e10bc6	An fault occurred with our activation server or licensing service. Delight wait a few minutes and then try the following Windows 10 Pro License Recovery steps: Select Start > Settings  > Update & Security  > Activation , and then select Troubleshoot to run the Activation troubleshooter. Open Activation settings When the troubleshooter is complete, select Go to Microsoft Store to launch the Microsoft Store app. If the Microsoft Shop app shows there was a problem, select Endeavor again. After a few minutes, you should run across a message that thanking yous for activating genuine Windows, followed by another message showing that Windows was activated. For more info near the troubleshooter, come across Using the Activation troubleshooter.
0x80070652	This error can occur if the update components are missing or corrupted on the figurer. This fault might also occur due to poor network connectivity received by the arrangement. Apply the Windows update troubleshooter to check for the corrupted or missing updates or components. Running the troubleshooter will help discover and in some cases fix the issue. Also, check the forcefulness of your net connexion.
All other error codes	Become to Windows Help, enter the error lawmaking in the Search for Aid box at the superlative-right, and run the search. Scan through the search results carefully to make sure you lot endeavour only those that apply to your state of affairs.

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Source: https://support.microsoft.com/en-us/windows/get-help-with-windows-activation-errors-09d8fb64-6768-4815-0c30-159fa7d89d85

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