When you first installed and activated Office that licence should have become associated to your Microsoft Account as a digital licence online and it is from there that you can re-install Office without the need for a product key:
Transfer 365 to new pc
Marilyn Thompson
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Renewed subscription in Nov 25 and now pc has died. Can I transfer the subscription to new pc
Microsoft 365 and Office | Subscription, account, billing | For home | Windows
Microsoft 365 and Office | Subscription, account, billing | For home | Windows
Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
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DaveM121 842.5K Reputation points Independent Advisor2026-02-04T15:47:20.6266667+00:00 -
Q&A Assist2026-02-04T15:16:26.27+00:00 AI generated content. This question contains an answer created with AI from Q&A Assist. Learn moreYes, you can transfer your Microsoft 365 subscription to a new PC. To do this, you will need to sign in to your Microsoft account on the new PC and install Microsoft 365 from there. If you have already renewed your subscription, it should be active and available for use on your new device. Just make sure to uninstall Microsoft 365 from the old PC if you plan to no longer use it there, as there are limits on the number of devices you can have it installed on depending on your subscription type.