Hi, I'm John! I will help you with this.
First, try signing in online at https://account.microsoft.com using any email you might have used for your Office subscription.
If you can sign in, check the Services & Subscriptions tab, or go directly to https://account.microsoft.com/services Does your subscription or perpetual license show up there?
Click "Add comment" to let me know.
Regards,
John J.D.