Find your Mac's serial number in About This Mac or System Information

You can find your Mac's serial number in the About This Mac window and in System Information.

Finding your Serial Number

Use these steps to locate the serial number of your Mac.

OS X Yosemite

  1. Choose About This Mac from the Apple Menu.
  2. The serial Serial Number appears above the System Report button.

    Yosemite About This Mac window

OS X Mavericks or earlier

  1. Choose About This Mac from the Apple Menu.
  2. Double-click the version number to reveal your computer's serial number.

    Mavericks About This Mac window

Using System Information

You can also find your computer's serial number in the Hardware section of System Information. To hear your Mac speak its serial number, open System Information and press Command-4.

The Hardware pane of System Information

If you can't find your serial number

If your Mac isn't starting up, try using safe mode. You can view your Mac's serial number in About This Mac or System Information even when your Mac is started in safe mode. You can also find your Mac's serial number in these places:

  • Printed on the outside of your Mac
  • Printed on the original packaging that your Mac came in
  • On your original printed or emailed receipt (or invoice)

If you're using OS X Snow Leopard v10.6 or later and your Mac's serial number isn't listed in About This Mac, consult with your local Genius Bar or Apple Authorized Service Provider.

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