Instructions for updating your Lived Name or changing your Legal Name can be found online at: https://diversity.berkeley.edu/thriving-initiatives/gender-recognition-and-lived-name-policy/managing-your-name-and-data
Students, employees and affiliates, alumni and guests use different tools to set names, so be sure to read through the materials for your affiliation type.
Sponsored Guests: see https://calnet.berkeley.edu/calnet-me/how-do-i-change-my-name#guest-name