A temporary pre-authorization charge may be applied when making a digital purchase.

How to troubleshoot account creation issues

Information about the Recruit A Friend feature in World of Warcraft, Hearthstone, and Heroes of the Storm.

It is not possible to cancel a payment in progress

Information on how to update your billing profiles.

Information on troubleshooting connection and installation issues using another network.

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

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

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