Recovering a Battle.net Account when the email address has been forgotten
Information on logging into the Battle.net application on more than one computer
What to do if your ticket is stuck and you can't remove it
How to link or unlink your Facebook account and Battle.net account, and login using Facebook,.
Error emerges when trying to restore the previous authenticator on a new device
How to remove your Blizzard Authenticator
Information about retrieving a locked account