Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
If you are a personal user, Microsoft 365 Enterprise does not sound like a correct consumer licence.
1
On the device that Office is activated on, open Word, then go to File - Account, please provide a screenshot of that window, and please hide your Email address in the screenshot.
2
On that window, you will see the Email address of the account you used to activate the Office licence, log into that Microsoft account on this link (https://account.microsoft.com/services/), what Office licence do you find linked to your Microsoft account there.