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If you have lost access to your account, our automated recovery process can help.DIY: Change Your Email Address Self-Service
Change your Battle.net account email address on this page.DIY: Modify Contact and Shipping Addresses Self-Service
Use this page if you wish to change or modify your Contact and Shipping address for your Battle.net account.
Game or Blizzard services connection error BLZBNTAGT00000BB8Optimizing Your Internet Connection
Follow these steps to troubleshoot problems with your low-speed or wireless internet connection.Configuring Router and Firewall Ports
Instructions for configuring your network to allow Blizzard services to work properly.