Using Classic Outlook on Windows for personal email, calendar, and contact management
Hi ,
I'm Dyari. Thanks for reaching out.
Sign in to your Microsoft Account Services page:
https://account.microsoft.com/services
Click Install apps or find your subscription, and run the downloaded setup file.
After that, open the newly installed Outlook app and sign in again with your account to turn on your subscription.
Please let me know if you need further assistance.