Troubleshooting steps for Diablo III console connection problems.
Troubleshooting steps to resolve performance problems in Diablo III.
What to do if you are unable to install or patch Diablo III
Troubleshooting for error 1016 in Diablo III
Information on how Diablo III progress works.
Instructions for downloading Diablo III
Information on recovering a lost Diablo III account
Information about issues with quest progress getting reset after upgrading from the trial version of Diablo III to the full version
Information on the Diablo III Account Ban or Suspension, and how to appeal the decision.