How to correct or update the first name on a Battle.net account
What to do if you are receiving emails for another player with a Gmail similar to yours.
How to change the language settings in your Blizzard games
How to change the country/region of residence on your Battle.net account
Regaining access to a Battle.net Account when the email is not accessible.
How to resolve this error when trying to log in to Battle.net
Based on your location, children under a certain age cannot own a Battle.net account.
Troubleshooting for issues loading the BattleTag or Real ID friend list
How to update the secret question in your Battle.net account