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macOS User Guide
- Welcome
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- Work across devices using Continuity
- Use iPhone as a webcam
- Use iPhone with Desk View
- Stream audio and video with AirPlay
- Use one keyboard and mouse to control Mac and iPad
- Hand off between devices
- Unlock your Mac with Apple Watch
- Make and receive phone calls on your Mac
- Sync music, books, and more between devices
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- What is Family Sharing?
- Set up Family Sharing
- Add a user or group
- Set up Screen Time for a child
- Share purchases with your family
- Watch and listen together with SharePlay
- Share a Photo Library
- Collaborate on projects
- Find content shared with you
- Find your family and friends
- Play games with your friends
- Resources for your Mac
- Resources for your Apple devices
- Copyright
Lock the screen of your Mac
You can keep your Mac secure by locking the screen.
Immediately lock the screen of your Mac
Do any of the following:
On your Mac, choose Apple menu
Press Touch ID, if it’s available on your Mac or Magic Keyboard.
Press the Lock Screen button, if it’s available on your Magic Keyboard.
Unlock your Mac
Do any of the following:
Press any key, then enter your password.
Use Touch ID, if it’s available on your Mac or Magic Keyboard.
If other users have an account on the same Mac, they can log in to their account by clicking Switch User on the lock screen.
See alsoSet up your Mac to be secure
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