Mac User Guide
- Welcome
- What’s new in macOS Sequoia
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- Get started with Apple Intelligence
- Use Writing Tools
- Use Apple Intelligence in Mail
- Use Apple Intelligence in Messages
- Use Apple Intelligence with Siri
- Get webpage summaries
- Summarize an audio recording
- Use Apple Intelligence in Photos
- Summarize notifications and reduce interruptions
- Apple Intelligence and privacy
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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
Change the behavior of the modifier keys on Mac
You can change the action that modifier keys, such as Control or Option, perform when you press them.
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On your Mac, choose Apple menu
in the sidebar. (You may need to scroll down.) Click Keyboard Shortcuts, then click Modifier Keys in the sidebar.
For each modifier whose default action you want to change, click the pop-up menu, then choose the action you want performed when you press the key, or choose No Action.
For example, if you’re used to a keyboard that had the Control key where the Caps Lock key is located on an Apple keyboard, you could click the Caps Lock pop-up menu, then choose Control to have that action performed whenever you press the Caps Lock key.
To return the keys to their original settings, click Restore Defaults.