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.
Mar 15, 2021 - Remembering Kevin Murnane: 1970-2015 Six years ago on March 15, 2015, nearly a thousand people filled the Tahoe XC parking lot to pay tribute to Kevin Murnane. Yosemite definition, a valley in E California, in the Sierra Nevada Mountains: a part of Yosemite National Park. 7 miles (11 km) long. Continuity Markup lets you sign documents, correct papers, or circle important details in images. Use your Apple Pencil on iPad or your finger on iPhone and see updates live on your Mac.
If your macOS isn't up to date, you may be able to update to a later version.
- This view of Yosemite Valley from just east of Yosemite Village gives a sense of conditions of the floor of Yosemite Valley. A streaming version of this view is also available. You can help support this webcam and provide for the future of Yosemite by becoming a Friend of Yosemite today.
- MacOS 10.10 (Yosemite), 10.11 (El Capitan), 10.12 (Sierra), 10.13 (High Sierra) See release notes. Other systems: Mendeley Desktop for Windows Mendeley Desktop for Linux New Mendeley Reference Manager is now available Get started.
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 Big Sur, followed by its version number. If you need to know the build number as well, click the version number to see it.
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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.
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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.
| macOS | Latest version |
|---|---|
| macOS Big Sur | 11.2.3 |
| 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 |