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.
Troubleshooting steps for performance-related problems.
Troubleshooting for problems installing or patching the Starcraft II game client
How to obtain error logs for Blizzard games
Use the steps below to troubleshoot installation issues for Blizzard games.
How to disable the Xbox DVR in Windows 10 Anniversary
How to reset in-game options
Information on what to do when a game update is stuck at 0 B/Ss
How to install a Blizzard game you already own on a different computer
Information about troubleshooting problems with the Blizzard Battle.net friends list