Steps for linking an Activision account and Call of Duty Profile to your Battle.net Account.

Information on error BLZBNTBNA00000A9C

What to do if your Activision account has been compromised.

Purchased a second copy of an heirloom that was already owned

This game account is in a different region or Battle.net account.

This game account is in a different region or Battle.net account.

This game account is in a different region or Battle.net account.

Information on upgrading Heirloom items

What to do if your Steam account has been compromised.

I have a question about a non-Blizzard game