Question

How do I determine which version of macOS is running on my computer?

Answer

1. Click on the Apple Icon from the Menu Bar
   
   
   
   
2. Select About This Mac
   
   
3. Mac OS:
   
   • macOS 14.0   Sonoma
   • macOS 13.2:  Ventura
   • macOS 12.0:  Monterey
   • macOS 11.0:  Big Sur - 2020
   • macOS 10.15: Catalina (Jazz) - 7 October 2019
   • macOS 10.14: Mojave (Liberty) - 24 September 2018
   • macOS 10.13: High Sierra (Lobo) - 25 September 2017
   • macOS 10.12: Sierra (Fuji) - 20 September 2016
   • OS X 10.11: El Capitan (Gala) - 30 September 2015