Support for iTune
Support iTune in my Apple ID
MacBook Pro (Retina, 13-inch,Early 2015), OS X El Capitan (10.11.6), Serial Number: C02RNW3JFVH3
Are you being told your Apple ID is disabled when trying to log in? More information would help.
Apple ID is locked or disabled
If necessary, contact iTunes Support. Scroll to the bottom of the page in the 2nd link.
