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. Apple Watch Series 5 and Apple Watch SE: 15 Feb 2021: macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, macOS Mojave 10.14.6 Security Update 2021-002: macOS Big Sur 11.2, macOS Catalina 10.15.7, and macOS Mojave 10.14.6: 9 Feb 2021: Safari 14.0.3: macOS Catalina and macOS Mojave: 1 Feb 2021.

• Apple Mac Os X 10.4
• Apple Macos High Sierra V10.13
• Apple Macos Mojave Download
• Apple Macos 11

Apple Mac Os X 10.4

Is your Mac up to date with the latest version of the Mac operating system? Is it using the version required by some 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?

Apple Macos High Sierra V10.13

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.

Apple Macos Mojave Download

Which macOS version is the latest?

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 Big Sur. 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.

Apple Macos 11