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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
- Resources for your Mac
- Resources for your Apple devices
- Copyright
How do I get firmware updates for Mac?
The term firmware refers to computer chips that have data or programs recorded on them. When your computer is manufactured, its firmware is specifically programmed to tell your computer how to perform tasks. However, the type of firmware installed in your computer can be updated later if your computer requires a change.
Firmware updates are included in macOS updates. To check for updates on your Mac, choose Apple menu 
in the sidebar (you may need to scroll down), then click Software Update.
Note: Firmware shouldn’t be confused with malware, which can be harmful to your computer.
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