What to do if you have parental controls on your account but can't remember having added them.
Information about why you may not be able to post in the forums, and steps for how to fix it.
Information about this error when redeeming a key in your account
Cannot remember Blizzard password and want to reset it.
What to do if you corrected your country of residence in your account details but still you can't add your phone number to your account
What to do if you can't claim your Call of Duty: Black Ops 4 key
What to do if the serial number at the back of the physical authenticator is scratched off