Which macOS version is installed?
Upgrade Unsupported Mac
Make your old Mac support macOS Catalina. Older Mac owners don’t have to worry. It’s not the end of the world. There’s a patch that lets you install Catalina to Macs that are not officially supported. The patch is known as DosDude Catalina Patcher. DosDude Catalina Patcher is a third-party tool, meaning Apple does not develop the tool. Your machine will restart and you should now be able to boot from the Mac OS 9 For Unsupported G4’s CD from MacOS9Lives.com. Any data stored in the NVRAM will be erased if the machine loses power (e.g. The main power cable is disconnected from a wall outlet/power adapter, or has a flat battery.
From the Apple menu in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Big Sur, followed by its version number. If you need to know the build number as well, click the version number to see it.
Which macOS version is the latest?
Macos 10.13 On Unsupported Macs
As updates that change the macOS version number become available, this article is updated to show the latest version of that macOS. To get a later version, install the latest Apple software updates.
macOS | Latest version |
---|---|
macOS Big Sur | 11.6 |
macOS Catalina | 10.15.7 |
macOS Mojave | 10.14.6 |
macOS High Sierra | 10.13.6 |
macOS Sierra | 10.12.6 |
OS X El Capitan | 10.11.6 |
OS X Yosemite | 10.10.5 |
OS X Mavericks | 10.9.5 |
OS X Mountain Lion | 10.8.5 |
OS X Lion | 10.7.5 |
Mac OS X Snow Leopard | 10.6.8 |
Mac OS X Leopard | 10.5.8 |
Mac OS X Tiger | 10.4.11 |
Mac OS X Panther | 10.3.9 |
Mac OS X Jaguar | 10.2.8 |
Mac OS X Puma | 10.1.5 |
Mac OS X Cheetah | 10.0.4 |