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macOS User Guide
- Welcome
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- Change System Preferences
- Change your desktop picture
- Add your email and other accounts
- Use a screen saver
- Change the picture for you or others in apps
- Set up other users on your Mac
- Set up Screen Time for yourself
- Change the system language
- Make it easier to see what’s on the screen
- Use accessibility features
- Run Windows on your Mac
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- Use Continuity across your devices
- Stream audio and video with AirPlay
- Use your iPad as a second display
- Hand off between devices
- Insert photos and documents from iPhone or iPad
- Insert sketches from iPhone or iPad
- Copy and paste between devices
- Use Apple Watch to unlock your Mac
- Make and receive phone calls on your Mac
- Control accessories in your home
- Send files between devices with AirDrop
- Use AirPods with your Mac
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- Manage cookies and other website data in Safari
- Use Private Browsing in Safari
- View privacy reports in Safari
- Understand passwords
- Reset your Mac login password
- Use keychains to store passwords
- Set up your Mac to be secure
- Guard your privacy
- Use Sign in with Apple for apps and websites
- Protect your Mac from malware
- Control access to your camera
- Find a missing device
- Resources for your Mac
- Resources for your Apple devices
- Copyright
Start, pause, or resume a Time Machine backup on Mac
You can have Time Machine perform a backup at any time, even if you don’t have Back Up Automatically selected in Time Machine preferences.
On your Mac, do any of the following:
Start a backup: Click the Time Machine icon
in the menu bar, then choose Back Up Now.Pause a backup: Click the Time Machine icon
in the menu bar, then choose Skip This Backup.Resume a backup: Click the Time Machine icon
in the menu bar, then choose Back Up Now.
If the Time Machine icon isn’t in the menu bar, choose Apple menu 
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