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If you have lost access to your account, our automated recovery process can help.DIY: Modify Contact & Shipping Addresses Self-Service
Use this page if you wish to change/modify your Contact & Shipping address for your Blizzard account.DIY: Change Your Email Address Self-Service
Change your Blizzard account email address on this page.
Corrupted and damaged game files can create a wide variety of problems and errors.StarCraft II System Requirements
The system requirements for StarCraft II on Mac and PCIP Release, Renew, and Flush DNS
A guide for releasing and renewing your IP address and flushing the DNS resolver cache.