How to attach an Authenticator to your Battle.net account
If you experience crashes, blue or black screens, performance issues, or your computer locks up while playing, follow the steps below to resolve these issues.
General information about the capabilities of Parental Controls.
How to manage your Battle.net profile visibility and chat settings
Information on the Battle.net Authenticator
Out-of-date drivers and operating systems can cause a variety of issues, and are one of the first things to check when a game is having problems.
How to identify and report suspicious communications received by mail, text, or in-game chat.
Information about the Recruit A Friend feature in World of Warcraft, Hearthstone, and Heroes of the Storm.
The code of conduct for Blizzard Entertainment forums