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What Operating System Does Mac Use?

James H. Sterling • • 8 min read
What Operating System Does Mac Use?
Contents

What is my Mac operating system?

First, click on the Apple icon in the top left corner of your screen. From there, you can click ‘About this Mac’. You’ll now see a window in the middle of your screen with information about the Mac you’re using. As you can see, our Mac is running OS X Yosemite, which is version 10.10.3.

What is the latest version of Mac operating system?

Mac OS X & macOS version code names

  • OS X 10.9 Mavericks (Cabernet) – 22 October 2013.
  • OS X 10.10: Yosemite (Syrah) – 16 October 2014.
  • OS X 10.11: El Capitan (Gala) – 30 September 2015.
  • macOS 10.12: Sierra (Fuji) – 20 September 2016.
  • macOS 10.13: High Sierra (Lobo) – 25 September 2017.
  • macOS 10.14: Mojave (Liberty) – 24 September 2018.
James H. Sterling
Author

James H. Sterling

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.