my account is deactivated

Deactivated or disabled? If deactivated, see the end of this article.

Apple ID - How to deactivate your Apple ID account.    

If disabled, if this is in the iTunes/App Store, see the 3rd link.

If your Apple ID is locked or disabled - Apple Support.       

If you have changed your ID or password, have you followed the steps in this article?

What to do after you change your Apple ID or password - Apple Support.      

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

If necessary, contact iTunes Support. Either use the form or scroll to the bottom of the page in the 2nd link. Follow through the screens to get a chat or telephone option.  

iTunes Store - Contact Us - Official Apple Support.       

iTunes Support – world wide