If you have lost access to your account, our automated recovery process can help.DIY: Modify Contact and Shipping Addresses セルフサービス
Use this page if you wish to change or modify your Contact and Shipping address for your Blizzard account.DIY: Change Your Email Address セルフサービス
Change your Blizzard account email address on this page.
Corrupted and damaged game files can create a wide variety of problems and errors.Configuring Router and Firewall Ports
Instructions for configuring your network to allow Blizzard services to work properly.Running a Traceroute
A guide on running a traceroute on Windows and Mac.