How do I activate my Apple Account?

If you see an alert with a Request Access button, you might be able to request access to your account by tapping Request Access. If that does not work, this link (versus one taking you to the general support page) is the most direct way to get to the people helping you with this —> https://getsupport.apple.com/?PGF=PGF63005&category_id=SC0245&symptom_id=23626

Apple ID's don't go inactive.

Uh, they can. ;-)

If your Apple Account is locked, not active, or disabled - Apple Support

You need to provide more details. Apple ID's don't go inactive. Describe what the issue is in full detail.