A family of Microsoft word processing software products for creating web, email, and print documents.
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 recognised correctly.
2
If not, log into your Microsoft account on this link, do you find a valid Office licence listed there, or if that is a subscription to Microsoft 365, check the expiry date listed on your subscription, is that listed correctly.