How residents of California can opt out from giving Blizzard permission to sell their personal data.

What to do if you cannot verify your email address when you create a Battle.net account or you change your email

Information on error BLZBNTBNA00001388

Information on error BLZBNTAGT00000BCE

Information on error BLZBNTAGT00000979

Troubleshooting game or Battle.net services connection error BLZBNTAGT00000BB8

Troubleshooting error BLZBNTBGS000003E9

Information on error BLZBNTAGT00000BC9

Information on free items, products, games, and services

Information on error BLZBNTAGT0000085C