Now operating system updates come in via a new Software Updates pane in System Preferences. However, that changed slightly with Mojave, which arrived in 2018. Since the arrival of the Mac App Store in 2011 (as an update to Snow Leopard) versions of Mac OS X and macOS have been available to download via the Mac App Store. Very old versions of Mac OS X came on a disk and any security updates came via Software Update. We have a full list of which Macs run which versions of Mac OS X and macOS here. macOS 12: Monterey (Star) – Octo(Latest: 12.5).macOS 11: Big Sur (GoldenGate) – Novem(Latest: 11.6.8).OS X 10.9 Mavericks (Cabernet) – Octo(Latest: 10.9.5).OS X 10.8 Mountain Lion (Zinfandel) – J(Latest: 10.8.5).OS X 10.4.4 Tiger (Chardonnay) – Janu(for Intel Macs) (Latest: 10.4.11).OS X 10 beta: Kodiak – September 13, 2000.You’ll find a complete list of the latest release of each version of OS X and macOS, along version code names, along with internal code names (if available): Here’s an overview of every version of macOS and Mac OS X Apple has released.

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