A BattleTag™ is a player-chosen nickname that identifies your Battle.net account

What to do if you think another person or group of people has targeted a DDoS attack on you

Information on how to earn login reward cards

How to troubleshoot account creation issues

Each BattleTag is assigned a numeric ID to create a unique identifier.

What to do if your Hearthstone account appears Locked or suspended

A phone number can only be linked to one free game

If your antivirus software detects a virus in a Blizzard game folder, the detection will most likely be a false positive.

When a Boku payment does not go through after waiting 24 hours

The code of conduct for Blizzard Entertainment forums