Exchanging a Blizzard product code for a different product

Information for troubleshooting Call of Duty: Vanguard launch issues

Information on applying Legendary Rogue Dagger Skins

Information about refunding Diablo IV, Platinum, or a purchase made with Platinum.

Game cannot be launched because the operating system wouldn't allow the system to write to registry.

Information on changes to the First Aid profession with Battle for Azeroth

Information about playing Battle.net games on Steam Deck

Follow these steps to troubleshoot problems with your low-speed or wireless internet connection.

Some games require that you add a phone number to your Battle.net account

What to do if you are unable to start CoD Modern Warfare II.