Information on playing Blizzard games on the Game Pass service

How to install Call of Duty: Black Ops Cold War and troubleshooting steps for technical issues

Information on error BLZBNTBNU00000004

Information on error BLZBNTBTS0000005D

Troubleshooting steps when unable to start an order in-game

How to resolve this issue when installing or updating a game

Troubleshooting steps for connection problems

Troubleshooting steps for error "Game Initialization Failed" when launching a game

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 moving Blizzard games to a different hard drive