What to do if the security code sent to your mail or SMS is not allowing you to authenticate your account

Battle.net desktop app information

Steps to link a Battle.net account to a Humble Bundle account.

Addressing issues when Battle.net Application is stuck on Downloading New Files when launching or installing.

Game cannot be launched because the operating system wouldn't allow the system to write to registry.

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

How to change or update a Battle.net account email address.

How to attach an Authenticator to your Battle.net account

Your account is unable to log into Blizzard services.

How to set up parental controls.