Transfer Win 11 Pro License

Bruce Beck 0 Reputation points
2026-10-22T04:48:57.6066667+00:00

My computer had a damaged motherboard, hard-drive, and cooling system - rebuilt the rig but the digital license didn't transfer over for Windows Pro - anyone know how to arrange this to happen

Thank you in advance

Bruce

Windows for business | Windows Client for IT Pros | User experience | Remote desktop clients
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  1. AI answer

    2026-10-22T04:49:11.6933333+00:00

    A rebuilt PC with a replaced motherboard is treated as a significant hardware change, so Windows 11 may no longer activate automatically. The supported ways to reactivate are:

    1. Check the installed edition first.
      Go to Start > Settings > System > Activation and confirm the device is running Windows 11 Pro. The installed edition must match the license edition for activation to work.
    2. If the Pro license was linked to a Microsoft account before the hardware change, use the Activation troubleshooter.
      In Start > Settings > System > Activation, select Troubleshoot and use the option for I changed hardware on this device recently. Sign in with the same Microsoft account that was linked to the digital license.
    3. If a product key was originally used for Pro, enter it again.
      Go to Start > Settings > System > Activation > Change product key and enter the 25-character key.
    4. If the motherboard was replaced by the original hardware manufacturer, the PC should reactivate automatically. If it does not, check whether a COA card with a 25-character key was provided and enter that key from Activation > Change product key.
    5. If Windows 11 Home is installed instead of Pro, upgrade to Pro from the Activation troubleshooter by selecting Upgrade to Windows 11 Pro.
    6. If the troubleshooter does not find a matching digital license after the rebuild, a new license may be required.

    Before future hardware changes, link the digital license to the Microsoft account from Settings > System > Activation > Add an account. When linked successfully, Activation shows: Windows is activated with a digital license linked to your Microsoft account.

    References:

    AI-generated content may be incorrect. Read our transparency notes for more information.

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  2. Daphne Huynh (WICLOUD CORPORATION) 2,540 Reputation points Microsoft External Staff Moderator
    2026-10-22T06:16:27.5433333+00:00

    Welcome to Microsoft Q&A!

    Thank you for taking the time to provide the detailed information.

    I am sorry to hear about the hardware failure. Having to rebuild the PC and then finding that Windows 11 Pro is no longer activated can certainly be frustrating.

    Since the motherboard was replaced, Windows may no longer recognize the rebuilt PC as the same device associated with the previous digital license. Microsoft identifies motherboard replacement as a significant hardware change that may require Windows to be reactivated.

    If your Windows 11 Pro digital license was linked to your Microsoft account before the hardware failure, please use the Activation troubleshooter to reactivate it:

    1. Make sure the rebuilt PC is connected to the Internet and that Windows 11 Pro is installed.
    2. Sign in as an administrator using the same Microsoft account that was linked to the digital license.
    3. Go to Settings > System > Activation > Troubleshoot.
    4. Select I changed hardware on this device recently, and then select Next.
    5. Sign in with your connected Microsoft account when prompted.
    6. From the list of devices linked to your Microsoft account, select This is the device I’m using right now, and then select Activate.

    Please also make sure the Windows edition on the rebuilt PC is Windows 11 Pro, the edition must remain the same before and after the hardware change for the digital license to reactivate.

    If your previous device does not appear in the troubleshooter, verify that you are signed in with the same Microsoft account that was associated with the Windows 11 Pro digital license.

    For reference:

    Reactivating Windows after a hardware change | Microsoft Support

    I hope this helps you get Windows 11 Pro activated again after the rebuild.

    If you find it useful, please click Accept Answer.

    Thank you for choosing Microsoft Q&A.

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