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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
Touch ID
A fingerprint recognition feature from Apple available on some Mac computers and some Magic Keyboard models. With Touch ID, you can unlock your Mac and some password-protected items, switch quickly between users, use Apple Pay to make purchases on the web, and purchase items from the iTunes Store, the App Store, and Apple Books.
Note: Touch ID on Magic Keyboard (available on some models) is only compatible with Mac computers with Apple silicon.
To set up Touch ID, choose Apple menu > System Settings, then click Touch ID & Password in the sidebar. (You may need to scroll down.) To use Touch ID, place your finger on it.
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