Change your Battle.net Account email address.

If someone changed the email address on your account, or if you can't remember what it was, we can send you a text to recover your account.

Need to update the phone number on your Battle.net Account?

How to change a Character Name in SC2

Information on the Name Change character service

What to do if you see this red message on your character selection screen

Information on updating a character name in Diablo Immortal

What to do if you used a name change on the wrong character.

Information on Character Name Changes in Diablo IV

How the Free Name Change service works, and why it may have changed the name on a different character