Which Version Mac Os Software Should I Have


Sometimes there are situations when the user needs to know, what version of macOS do I have? Typically, the need for this information arises when installing programs, or if the device is running a beta version or when filling out an error report sent by Apple.

By following the instructions below, you can easily determine which version is running on macOS.

Mac’s version is a bit more systemwide, with some older Windows dialogs still not darkened. The Windows 10 May 2019 Update adds a Custom option, which lets you decide whether you want dark.

Why you Need to Know, How to Check macOS Version?

This data may be needed when installing software that, for example, does not support older versions of OS X or early macOS. Also, this information is important for beta testers who need to check which build of the beta version of the OS is installed on the device. In addition, when filling out a bug report on the form, you must specify the macOS version so that Apple can initiate and fix the problem.

Read more: Where to Download Old Versions of Mac OS?

How to Check OS Version on Mac?

  • On the computer desktop, in the menu bar, click on the Apple symbol;
  • Select “About This Mac”;
  • Select “Overview” section;
  • The macOS version is displayed right under the “macOS” heading.


Keep in mind that the OS version and build number should not be confused. Even if the macOS version numbers are the same, the assembly numbers for Macs may vary. For example, after buying a new Mac, users may notice that with the same version of the OS, the build number may differ from those installed on other computers. It just means that a newer version of the assembly is installed on the new Macs. If the build is already out of date, you can update it using the Updates tab in the Mac App Store.


Is your Mac up to date with the latest version of the Mac operating system (macOS or OS X)? Is it using the version required by some other product that you want to use with your Mac? Which versions are earlier (older) or later (newer, more recent)? To find out, learn which version is installed now.

If your macOS isn't up to date, you may be able to update to a later version.

Which macOS version is installed?

From the Apple menu  in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Mojave, followed by its version number. If you need to know the build number as well, click the version number to see it.

Mac Os Update New Version

This example shows macOS Catalina version 10.15 build 19A583.

Which Version Mac Os Software Should I Have 2

Which macOS version is the latest?

Newest Version Of Mac Software

These are all Mac operating systems, starting with the most recent. When a major new macOS is released, it gets a new name, such as macOS Catalina. As updates that change the macOS version number become available, this article is updated to show the latest version of that macOS.

If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps that are installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar, and Photos.

macOSLatest version
macOS Catalina
macOS Mojave10.14.6
macOS High Sierra10.13.6
macOS Sierra10.12.6
OS X El Capitan10.11.6
OS X Yosemite10.10.5
OS X Mavericks10.9.5
OS X Mountain Lion10.8.5
OS X Lion10.7.5
Mac OS X Snow Leopard10.6.8
Mac OS X Leopard10.5.8
Mac OS X Tiger10.4.11
Mac OS X Panther10.3.9
Mac OS X Jaguar10.2.8
Mac OS X Puma10.1.5
Mac OS X Cheetah10.0.4

Learn more

Mac Os X Version History

  • Always use the macOS that came with your Mac, or a compatible newer version.
  • Learn how to reinstall macOS from macOS Recovery.