It says that my Apple ID is disabled and I can’t download anything on the App Store

According to: If a message says 'Your account has been disabled in the App Store and iTunes'

Contact Apple Support for help.

If you see a message that says "Your account has been disabled in the App Store and iTunes," contact Apple Support for help.

See -> If you see a message that says “Your account has been disabled in the App Store and iTunes”

If a message says "Your account has been disabled in the App Store and iTunes" – Apple Support (UK)