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If you have lost access to your account, our automated recovery process can help.DIY: Modify Contact and Shipping Addresses Self-Service
Change your Blizzard account email address on this page.
Steps on how to claim/redeem codes and CD keys.Waiting on Another Installation or Update
Common troubleshooting steps for payment problems.
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.IP Release, Renew, and Flush DNS
A guide for releasing and renewing your IP address and flushing the DNS resolver cache.