Have you ever needed to know which version of Mac OS was on a computer? For some users, the answer may never be, but others may need to know exactly which version of the Mac OS system software is running on a particular Mac. Usually, the need to know which MacOS version is on a Mac is necessary to learn about software compatibility or a particular feature, but it may also be helpful to know which version of Mac OS is installed for troubleshooting purposes and other reasons. . While many Mac users immediately know the version and version of the system software running on the computer, other users may not know this information.
This tutorial shows you how to easily find out which version of the Mac OS system software runs on a Mac, including what the major release name is, and the specific version of MacOS system software.
How to see which version of Mac OS is running and installing on a Mac
- Anywhere on the Mac, look in the upper left corner of the Apple menu and click
- From the Apple menu, select "About this Mac"
- Overview of the Mac system map is displayed on the screen, showing which Mac OS version and version installed on your computer
In this screenshot example, "About this Mac" screen on that particular Mac runs "macOS Mojave" as the big version , and the specific version of MacOS Mojave running is 10.14.2.
The screen below shows "About this Mac" Mac running "OS X El Capitan" as the main release, and the specific system version is 10.11. 6.
• Bonus Tips: You can also get the Mac OS build number from the same screen. Just click on the version number on About this Mac screen, a hexadecimal code next to the version will display showing that the particular software provides release number. The construction number can be useful for more advanced users to know, but is usually not necessary for average Mac users.
• Bonus Tips 2 : About this Mac screen also lets you find when A Mac model was created and built.
• Bonus tip 3: You can also find the Mac serial number from About this Mac screen.
• Bonus Tips 4 : If you are inclined to use Terminal, you can also get Mac OS system information and version from the command line if needed.
• Bonus Tips 5 : The solution here shows you how to get the current Mac OS version, but if you have an installation file somewhere, you may be wondering which version is in the system installer. You can find out which Mac OS system version is in a MacOS Installer application by following these steps.
Why is the version of MacOS software important?
Some users may be wondering why the MacOS software version itself matters, and why would they care about knowing it initially. But knowing the system version can be useful for many reasons, including for:
Large new releases of Mac OS are available from the Mac App Store, while software updates to an existing release can be found from the Software Update control panel or updates tab in Mac App Store.
Mac OS X Release History and Release Name
For those interested in any story, you may want to know that Mac OS has been tagged with various naming conventions, with each major Mac OS release having a clear name as well. For the first nine releases, Mac OS versions were tagged by wild cats, while the releases after that are named for California's locations and locations.
Mac OS X 10.1 Puma
Prior to the modern "Mac OS X" naming convention, the Mac system software was labeled as & # 39; Mac OS & # 39; and also as & # 39; System & # 39 ;, but the previous versions had completely different underlying architecture. Modern Mac OS versions are built up on a BSD unix kernel, while the much older pre-OSX era releases were not.
For what is worth, accessing the "About this Mac" screen from the Apple menu goes far back to old school Mac OS releases too, so if you dig up an Apple Macintosh SE / 30 from a loft, you can find system software version of the old Macs in the same way.