Explains the level of technical support we offer for all our games.

Troubleshooting steps to resolve performance problems in Diablo III.

Information on submitting government-issued identification

Use the steps below to troubleshoot installation issues for Blizzard games.

Instructions on how to use Looking Glass.

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 your security programs can resolve issues preventing you from installing or using Blizzard software.

How to read and analyze WinMTR data in order to track down a potential connection issue.

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Troubleshooting steps for IGR owners who have partnership with Blizzard on commonly encountered issues.