Account, App, & Shop
World of Warcraft®
Heroes of the Storm™
Warcraft® III: Reforged™
Diablo® IV
Diablo® Immortal™
Diablo® III
Diablo® II: Resurrected
StarCraft® II
StarCraft®: Remastered
Blizzard® Arcade Collection
Classic Games
Call of Duty®: Black Ops Cold War
Call of Duty®: Modern Warfare | Warzone
Call of Duty®: Black Ops 4
Call of Duty®: Modern Warfare® 2 Campaign Remastered
Crash Bandicoot™ 4: It's About Time
Blizzard® Esports


More than 100 results found for "Game key problem"

Information about this error when redeeming a key in your account

Updated: 3 weeks ago

Troubleshooting steps for disconnections in StarCraft II

Updated: 6 months ago

Corrupted and damaged game files can create a wide variety of problems and errors.

Updated: 1 month ago

Troubleshooting step for connection-related problems on Windows.

Updated: 8 months ago

Out-of-date drivers and operating systems can cause a variety of issues, and are one of the first things to check when a game is having problems.

How to obtain error logs for Blizzard games

Instructions on getting Blizzard games to play on your TV.

What to do if any settings you change do not save

How to install a Blizzard game you already own on a different computer

Troubleshooting steps for connection problems