your account has been disabled in the app store and itunes

Do what the support document you posted from tells you to do. Click the blue "contact Apple Support" link there. Only they can help you resolve the issue.

If a message says 'Your account has been disabled in the App Store and iTunes' - Apple Support

There's a problem with your iTunes Store account information which can't be fixed from your end. Click here and contact Apple Support at a time they're open; if the link doesn't have an option for your country, use this form.

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