Take a look at Zoom Updates/System Releases for the most up-to-date version of Zoom to use for security and meeting settings. You can also refer to the UC Berkeley Zoom Quick Guide and Zoom Support and Trainings. We also recommend that you take a look at the UC Berkeley Zoom Accessibility Considerations.
You can use your CalNet ID and passphrase to log in via berkeley.zoom.us. If you are having trouble accessing your zoom account, you can email sts-help@berkeley.edu for support.