Use About this Mac to see the version of
the Mac operating system installed on your Mac and see if it is the latest
version.
Does your Mac have the latest Mac
operating system (macOS or OS X)? Is the use of this version required by
certain products or features? Which version is older (older) or newer (newest)
compared to the version you currently install? To find out, learn which version
is currently installed.
Which version of
macOS is installed?
From
the Apple menu in the corner of the screen, select About This Mac. You will
see a macOS name, like macOS Mojave, followed by the version number. If some
products or features require that you also know the build number, click the
version number to see it.
Which version
of macOS is the latest?
Here
is the Mac operating system, starting from the latest version. When the new
macOS is released, it will have a new name, like MacOS Mojave. When an update
is available that changes the macOS version number, this article is updated to
show the latest version.
If
the Mac uses an older version of the Mac operating system, you must install the
latest Apple software updates, which may include important security updates and
updates for applications installed by macOS, such as Safari, iTunes, Books,
Messages, Mail, Calendar, and Photos .
macOS
Latest version
macOS
Catalina (coming soon)
10.15
Beta
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
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