Information on retrieving a locked account.
How the silence penalties work
Steps on how to create a new Administrator Profile.
Information on linking your Twitch and Battle.net accounts.
Information on Diablo III Account Rollbacks after your account is hacked.
How to move a game account to a different Blizzard account
If you forgot your Blizzard account email, you can use your phone number to find your account.
A BattleTag™ is a player-chosen nickname that identifies your Battle.net account
How to change the country / region of residence on a Blizzard account.
Changing language settings for game and/or communications from Blizzard