Troubleshooting this error in Warcraft III
How to install Warcraft III or Warcraft III: Reforged and troubleshooting steps for technical issues
Information about the error "Please select a different realm" when transferring a WoW Classic character.
How to update your BattleTag.
Information about installing Warcraft III: The Frozen Throne
To log in to the Gear Store you must have a Gear Store account different from your Battle.net account.
What to do if you need to unlink your Activision account from your Blizzard account
Information on error BLZ51900011
Troubleshooting steps to resolve error message in World of Warcraft.
Troubleshooting steps for resolving payment error in Heroes of the Storm.