Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
1
Open Word.
At the top right of Word, log out of Office.
Restart (not shut down) your PC, then log back into Office, is your subscription then correctly recognised.
2
If not, log into your Microsoft account on this link, check the expiry date on your subscription, is it listed correctly.
https://account.microsoft.com/services/
If the expiry date is not listed correctly, go to the Payments and Billing section, is you payment indicated as successfully processed.