Multiple Users on MacBook Air

You can create different user accounts for each Apple ID on the MacBook Air to keep your data separate. Check this guide to do so:

Set up users, guests, and groups on Mac - Apple Support

DesertDebs Said:

"Multiple Users on MacBook Air: I want to share my MacBook Air with my husband. We have different Apple IDs. Can we log on and off daily?"

-------

No. A Mac can only be associated to a difference account once every 90 Days.

1. Go Here: View and Remove your Associated Devices for Purchases - Apple Support
2. Scroll to: View or remove your associated devices on a Mac or PC
3. View: 4th bullet

Screenshot: