How to access the Parental Control settings on an account

Some games require that you add a phone number to your Battle.net account

I'm unable to whisper in Diablo IV

Information about securing an account that is getting verification requests that they did not initiate

Information about retrieving a locked account

How to recover a Real ID contact deleted in error

Damaged windows system files can cause a variety of issues playing games, and should be repaired to prevent problems.

Information on error BLZHSBGS00000056

Information on error BLZBNTBGS00000056

What to do if you have lost access to your Blizzard Data File.