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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
![](https://help.apple.com/assets/65A8106E7C69B635140E606E/65A81072C0272B1FFA02DE51/en_GB/058e4af8e726290f491044219d2eee73.png)
How do I find the serial number for Mac?
You don’t have to crawl under your desk or move your Mac to locate its serial number.
On your Mac, choose Apple menu
> About This Mac.Tip: You can also have your Mac speak its serial number. Press and hold the Option key, choose Apple menu
> System Information, then choose File > Speak Serial Number.
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