What Year Is Mac Os X?
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On March 24, 2001, Apple released the first version of its Mac OS X operating system, noteworthy for its UNIX architecture. OS X (now macOS) has been known over the years for its simplicity, aesthetic interface, advanced technologies, applications, security and accessibility options.

What is the latest version of Mac OS X?

Releases

Version Codename Processor support
macOS 10.14 Mojave 64-bit Intel
macOS 10.15 Catalina
macOS 11 Big Sur 64-bit Intel and ARM
macOS 12 Monterey

Is Mac OS X still supported?

As a result, we are now phasing out software support for all Mac computers running macOS 10.13 High Sierra and will end support on December 1, 2020.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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