Quick Answer: What Mac Operating System Do I Have?
Contents from the Apple Menu in the Corner of Your Screen, Choose About This Mac. You’ll See the macOS Name, Such as macOS Mojave, Followed by Its Version...
From the Apple menu in the corner of your screen, choose About This Mac.
You’ll see the macOS name, such as macOS Mojave, followed by its version number.
If some product or feature requires you to know the build number as well, click the version number to see it.7 days ago
How do I know which Mac operating system I have?
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.
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What are the Mac operating systems in order?
macOS and OS X version code-names
- OS X 10 beta: Kodiak.
- OS X 10.0: Cheetah.
- OS X 10.1: Puma.
- OS X 10.2: Jaguar.
- OS X 10.3 Panther (Pinot)
- OS X 10.4 Tiger (Merlot)
- OS X 10.4.4 Tiger (Intel: Chardonay)
- OS X 10.5 Leopard (Chablis)
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