Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
1
At the top right of Word, log out of Office.
Restart your PC, then log back into office, is your licence/subscription then recognised correctly?
2
If not, log into your Microsoft account on this link, do you find your Office licence or subscription listed there and if that is a subscription, is the expiry date indicated correctly?