Information on the ending of Windows® XP and Windows® Vista support.
How to pop your chat windows out of the Social tab
What to do if you continue being redirected to the login screen after entering your credentials
What to do if you experience the game switching monitor settings from full screen to windowed when launching, or during gameplay for Overwatch.
Troubleshooting step for connection-related problems on Windows.
Damaged windows system files can cause a variety of issues playing games, and should be repaired to prevent problems.
How to disable exclusive control settings for sound output and recording devices.
Troubleshooting for when an in-game shop screen is all black or blue
Troubleshooting issues with the security check to verify a payment in the Battle.net shop