How to redeem a code for a game, a product, or Blizzard Balance.
Retail game box was purchased and is missing the game key.
Corrupted and damaged game files can create a wide variety of problems and errors.
Troubleshooting Call of Duty: Black Ops 4 disconnection issues.
Troubleshooting connection issues with Call of Duty: Black Ops 4.
Troubleshooting claiming a Call of Duty: Black Ops 4 key
Troubleshooting step for connection-related problems on Windows.
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.