Mac User Guide
- Welcome
- What’s new in macOS Sequoia
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- Intro to Continuity
- Use AirDrop to send items to nearby devices
- Hand off tasks between devices
- Control your iPhone from your Mac
- Copy and paste between devices
- Stream video and audio with AirPlay
- Make and receive calls and text messages on your Mac
- Use your iPhone internet connection with your Mac
- Share your Wi-Fi password with another device
- Use iPhone as a webcam
- Insert sketches, photos and scans from iPhone or iPad
- Unlock your Mac with Apple Watch
- Use your iPad as a second display
- Use one keyboard and mouse to control Mac and iPad
- Sync music, books and more between devices
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- Control what you share
- Set up your Mac to be secure
- Allow apps to see the location of your Mac
- Use Private Browsing
- Keep your data safe
- Understand passwords
- Change weak or compromised passwords
- Keep your Apple Account secure
- Use Mail Privacy Protection
- Use Sign in with Apple for apps and websites
- Find a missing device
- Resources for your Mac
- Resources for your Apple devices
- Copyright
Use keyboard function keys on Mac
The top row of keys on an Apple keyboard are called function keys. Function keys can be used to perform keyboard shortcuts or to control system features, as indicated by an icon on the key. For example, you can use F11 as a keyboard shortcut to show the desktop or to decrease your computer’s volume.
By default, keyboard function keys are set up to control system features. To use the function keys for keyboard shortcuts, you must also press and hold the Fn key or the Globe key 
(depending on your Mac model or if you’re using a Magic Keyboard). For example, to show the desktop, you must press Fn-F11 or -F11.
If you use the keyboard function keys for keyboard shortcuts more often than for system features, you can set an option so that you don’t have to press and hold the Fn key or the Globe key .
On your Mac, choose Apple menu
in the sidebar. (You may need to scroll down.)Click Keyboard Shortcuts, then click Function Keys in the sidebar.
Turn on “Use F1, F2, etc. keys as standard function keys”.
