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macOS User Guide
- Welcome
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- Use Continuity across your devices
- Use your iPad as a second display
- Hand off between devices
- Insert photos and scans from iPhone or iPad
- Insert sketches from iPhone or iPad
- Copy and paste between devices
- Use Apple Watch to unlock your Mac and approve requests
- Make and receive phone calls on your Mac
- Control accessories in your home
- Send files between devices with AirDrop
- Use AirPods with your Mac
- Stream content to Apple TV
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- Understand passwords
- Use keychains to store passwords
- Reset your Mac login password
- Set up your Mac to be secure
- Guard your privacy
- Protect your Mac from malware
- Use Sign in with Apple for apps and websites
- Clear your Safari browsing history
- Manage cookies and other website data in Safari
- Find a missing device
- Resources for your Mac
- Resources for your Apple devices
If the Dock on your Mac contains an icon with a question mark
If an app’s icon is in the Dock and you delete the app from your Mac, the icon remains in the Dock but is covered by a question mark.
Remove the question mark icon: Drag the icon out of the Dock until you see Remove.
To download again an app you purchased from the Mac App Store, see Install and reinstall apps.
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