How to attach an Authenticator to your Battle.net account

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How to create an account to play on the Public Test Realms

There's an error with your payment authorization. Your financial institution may be denying the payment. Contact your bank or credit card issuer for help.

There's an error with your payment authorization. Your financial institution may be denying the payment. Contact your bank or credit card issuer for help.

You have attempted to connect to an invalid server. If this problem persists, please contact Customer Support.

Battle.net balance can't be used in the mobile version of the game.

Troubleshooting steps for missing notifications on the Battle.net Mobile App

This phone number cannot be used to complete this operation

Information about this error when login to Diablo II