How to have your Mac speak its serial number

Learn how you can have your Mac speak its serial number in OS X Lion or Mac OS X v10.6.

  1. Make sure your Mac's volume is turned up enough for you to hear the serial number.
  2. Hold the Option key and choose Apple () menu > System Information (or Apple menu > System Profiler in Mac OS X v10.6).
  3. Press Command-4 (⌘4) or choose File > Speak Serial Number and your Mac will speak its serial number.

Learn more

You can also find the serial number in the About This Mac window.

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