user lock
on Mac, can I lock a user so I can only access one for a certain period of time?
MacBook Air 13″, macOS 13.1
Question marked as
This would be a good place to start for how to do that on a Mac Use Screen Time on your Mac - Apple Support
Limit usage
Use the Downtime, App Limits, Communication Limits, Always Allowed, and Content & Privacy features in the Screen Time sidebar to schedule downtime and set limits on apps and websites. Limits apply to this Mac and all of your other devices that are using Screen Time and have “Share across devices” turned on.
To set limits for a child account, choose the child's name from the menu in the upper-left corner, then set up each feature.* Or do it from each of your child's devices.