How to block communication from another player in StarCraft II.

How to block communication from another player in Heroes of the Storm.

How to block communication from another player in Diablo III.

Parental controls may prevent purchases on your account.

Information on how to restore your Diablo III character

アークライト・ブーストを再度購入する方法

How to report a bug in Diablo III

How to qualify for the Hearthsteed

If you experience crashes, blue or black screens, performance issues, or your computer locks up while playing, follow the steps below to resolve these issues.

Troubleshooting steps for connection issues in Heroes of the Storm.