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 disconnection issues when playing Diablo III.
Troubleshooting steps for latency problems in Diablo III
These keys require a full version of Diablo III and a game account in the appropriate region.
Troubleshooting steps for performance-related problems.
How to obtain error logs for Blizzard games
How to disable the Xbox DVR in Windows 10 Anniversary
How to reset in-game options
How to install a Blizzard game you already own on a different computer
If you encounter a bug in one of our games, please report it to us.