Information about Account Sales

How to correct an email mistake when creating or updating your Battle.net account

If your account has been stolen, you should first check your account and computer security to verify your authenticator registration and security status.

A BattleTag can only be updated for free once

It is not possible to move a Call of Duty account to another Battle.net account

Information on where to update your Activsion Account Email

What to do if your Activision account has been compromised.

What to do if your Steam account has been compromised.

Information about transferring a character service to another Battle.net Account

What to do if the name on your account is "Adventurer"