What to do if you can't claim a Battle.net Balance code because the currency of the code doesn't match your currency

Information about using pre-paid credit cards for Blizzard purchases

Information about when COD in-game items are missing after a purchase

What to do if you have not completed the "His Eye Upon You" quest that cleanses this buff but it is missing. 

Customer Support is unable to grant free merchandise or products to streamers.

Troubleshooting steps for the BLZBNTGFT00000004 error

What to do if you were bought or were gifted the standard edition for MW2 and want to upgrade to the Vault Edition

What to do if you were bought or were gifted the standard edition for BO6 and want to upgrade to the Vault Edition

Player wishes to gift their account to a friend or relative.

How to buy additional copies of Diablo II.