If someone changed the email address on your account, or if you can't remember what it was, we can send you a text to recover your account.

Need to update the phone number on your Battle.net Account?

Use this page if you want to update the mailing address for your Battle.net Account.

There was an error using your payment method What to do if you get an error.

This is information about convenience store payments, Battlecoin prepaid cards, and KakaoTalk gifting (Battlecoin) payments.

Information on error BLZSC2BN007019

Information on error BLZ51900002

Information about this error message when trying to log into World of Warcraft

During technical troubleshooting, you may need to fully uninstall and reinstall a game.

Troubleshooting steps for Starcraft: Remastered performance problems

Information regarding Blizzard's stance on input mapping, as it relates to game controls

If you have issues with the sound in your game, such as skipping, popping, screeching, or no sounds at all, follow the steps below to troubleshoot the problem.