Mac OS X: About This Mac window provides computer serial number

  • Last Modified: March 10, 2009
  • Article: HT1529
  • Old Article: 106486

Summary

You can use the About This Mac window to find your computer's serial number when started up from Mac OS X 10.1 or later.

Products Affected

Mac OS X 10.4, Mac OS X 10.3, Mac OS X 10.2, Mac OS X 10.1, Mac OS X 10.5

Follow these steps:

  1. Choose About This Mac from the Apple Menu.
  2. Double-click the version text, for example "Version 10.4".

Your computer's serial number now appears where the version text had been.

Computer serial number in the About This Mac window

Note: Some earlier Mac OS X-compatible computers do not have their serial numbers stored in a way that allows this feature to work. Lack of this feature on your computer does not indicate any software or hardware failure.

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