If you encounter a bug in one of our games, please report it to us.
How to report a bug in Diablo III
Reporting another player that is using an offensive or inappropriate BattleTag
How to report players in Diablo III.
How to report cheaters in Warcraft 3, StarCraft: Remastered, or Diablo 2
This article explains the process of creating system files
Explains the level of technical support we offer for all our games.
A guide on running a traceroute on Windows and Mac.
Instructions on how to use Looking Glass.