How to submit feedback or report an issue with the matchmaking system

What to do if you think another person or group of people has targeted a DDoS attack on you

What to do if you are receiving emails for another player with a Gmail similar to yours.

If you encounter a bug in one of our games, please report it to us.

Information regarding harassment for streamers

How to resolve this error in the Blizzard Shop

How to help other players on Twitter.

Troubleshooting steps for "Waiting on Another Installation or Update" error when trying to update a game.

How to purchase a gift for a friend who plays in another region.

How to install a Blizzard game you already own on a different computer