Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Log into your Microsoft account on this link, check the expiry date listed on your subscription, is that listed correctly.
https://account.microsoft.com/services/
If you find your subscription listed on your Microsoft account, then on a Windows PC or laptop, or Apple Mac PC or laptop you can download and install the Office apps from there.
On an Android Phone or tablet, you can download the Microsoft 365 app from the Google Store.
On an Apple phone or iPad, you can download and install the Microsoft 365 apps from the Apple store.