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Microsoft Office Activation

Judith Tanya 0 Reputation points
2026-03-03T09:57:44.4866667+00:00

I had reset my device but now when i am installing Microsoft office 2021 it says my product is not registered and office not activating


Moved from Microsoft 365 and Office | Install, redeem, activate | For education | Windows

Microsoft 365 and Office | Install, redeem, activate | For home | Windows
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  1. Sumit D - IA 160.3K Reputation points Independent Advisor
    2026-03-03T11:22:33.9233333+00:00

    Hi Judith,

    You cannot enter the product key again - since it is already used.

    Simply go to https://account.microsoft.com/services/ and install from there:

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    I hope this information helps. If you have any more questions, don't hesitate to reach out.

    Otherwise, please take a moment to rate the answer. Wishing you good luck!

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