I want to find the codename of my version of OS X / macOS.
E.g. Lion, Leopard, Mavericks, etc.
If I click the Apple symbol, then "About This Mac", I only get the version number.
Where can I find the Big Cat or California Location marketing codename?
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3 Answers
The version number is the correct thing to report when you have issues. You should also include the subversion.
The marketing names are from macOS - Wikipedia article, up to and including macOS Monterey.
| Version | Codename |
|---|---|
| Rhapsody Developer Release | Grail1Z4 / Titan1U |
| Mac OS X Server 1.0 | Hera |
| Mac OS X Developer Preview | |
| Public Beta | Kodiak |
| Mac OS X 10.0 | Cheetah |
| Mac OS X 10.1 | Puma |
| Mac OS X 10.2 | Jaguar |
| Mac OS X 10.3 | Panther |
| Mac OS X 10.4 | Tiger |
| Mac OS X 10.5 | Leopard |
| Mac OS X 10.6 | Snow Leopard |
| Mac OS X 10.7 | Lion |
| OS X 10.8 | Mountain Lion |
| OS X 10.9 | Mavericks |
| OS X 10.10 | Yosemite |
| OS X 10.11 | El Capitan |
| macOS 10.12 | Sierra |
| macOS 10.13 | High Sierra |
| macOS 10.14 | Mojave |
| macOS 10.15 | Catalina |
| macOS 11 | Big Sur |
| macOS 12 | Monterey |
| macOS 13 | Ventura |
| macOS 14 | Sonoma |
| macOS 15 | Sequoia |
As of OS X 10.10 Yosemite, the name of the OS is listed in About This Mac.
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I don't know when it changed, but in Sonoma they no longer have all those tabs in About This Mac. It just has a single display with similar info to the Overview tab. The codename is included, although not as prominently.– BarmarCommented Aug 8 at 23:29
Click on the black Apple icon in the leftmost upper corner of your display when in Finder. Your Operating System is listed under the bold-faced "OS X"
Note: If you click on the icon reading "More Info" you will get all of the hardware info related to your Mac.
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The OP is doing what you suggest. The About This Mac screen only shows the OS X version number, not its name.– Dan JCommented Apr 17, 2013 at 18:54