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.

Change your Battle.net Account email address.

This is information about convenience store payments, Battle Coin prepaid cards, and KakaoTalk gift (Battle Coin) payments.

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

Information on error BLZSC2BN007019

Troubleshooting steps to resolve lockups or crashes in Heroes of the Storm.

Troubleshooting black screen crashes in Heroes of the Storm.

How to submit a Heroes of the Storm bug report

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.

Information on how to contact Blizzard Entertainment for any accessibility concerns with our games, support or products.