Change DTV to my mom's name. She has AT&T

My DTV won't move with momsm cause each under different names, however at same address. How to put DVT in mom's name so we can pay via website? No need to change equipment. Just change name.

Thank you,

William [edited for privacy-please do not post personal or unique information such as but not limited to full names, employee ID numbers, email addresses, phone numbers, account numbers, etc.]