Unable to update or download apps as my Apple Account is disabled

See the following from If your Apple Account is locked, not active, or disabled - Apple Support

If you see a message that says "Your Media & Purchases account has been disabled," you might be able to request reactivation by tapping Continue right from the alert.

You can also request reactivation.

Click Continue in the error message or click request reactivation in If your Apple Account is locked, not active, or disabled - Apple Support

Or click https://getsupport.apple.com/?caller=kbase&PGF=PGF63005&category_id=SC0245&symptom_id=23362

This is primarily a user-to-user support forum; other Apple users like you.

Follow the steps in the support document linked below.

click here ➜ If your Apple Account is locked, not active, or disabled - Apple Support