How to submit suggestions for Diablo 3
How to download and install the original Diablo II or Diablo II: Lord of Destruction
Troubleshooting steps for resolving lock ups in Diablo III.
What to do if you are unable to install or patch Diablo III
If you receive errors when loading your hero, try the following steps to solve the problem
Troubleshooting steps for Diablo II (2000) crash errors
Troubleshooting steps for when your Diablo IV crashes or freezes.
Troubleshooting for error 1016 in Diablo III
Information on recovering a lost Diablo III account