How to Determine the Operating System on a Mac and its serial number

To determine the operating system of your Mac OS X computer

  • Click the Apple menu.
  • Click the first item About This Mac (it could also be About This Computer if it's an older computer).
  • In the new window, click the Overview tab which gives you information on your Mac's operating system. The Overview tab also gives information on
    • The make and model of your computer (i.e. iMac 27 inch, late 2015)
    • Processor
    • Memory
    • Graphics card
    • Serial number

 

Details

Article ID: 67672
Created
Mon 11/26/18 4:53 PM
Modified
Fri 2/3/23 2:15 PM

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