App Store and iTunes disabled

The responses above assume you have a currently disabled account you’re trying to enable. That’s very likely what you meant to ask.

But the phrasing of your question actually asks the exact opposite - you asked how to disable your account. Here is how.

How to deactivate your Apple ID account - Apple Support

You will have to contact Apple Support to get that taken care off.

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

What was the result when you followed the guidance in the Related Article above your name on this page, that you were reading just before you posted here? If the Related Article doesn't answer your question please post back with more details about the issue and another user in this user-to-user forum will try to help.