macOS versions: Every version including the latest | Macworld
macOS Big Sur is version 11, ending 20 years of macOS 10 - Neowin
Classic Mac OS - Wikipedia
List of Apple macOS versions with details – Deepak Keswani
History of Mac OS X - YouTube
John Voorhees on X: "20 years ago, Mac OS X went on sale kicking off a transition that is the foundation of Apple today and has interesting parallels to the Mac's current
macOS - Wikipedia
Some Macs are getting fewer updates than they used to. Here's why it's a problem | Ars Technica
The full list of all macOS versions until 2023
Apple's OS X was 20 years old this week
Twenty Years Ago Today, Apple Shipped Mac OS X – 512 Pixels
How macOS will still steer Apple for the next 20 years | Macworld
History of macOS - YouTube
List of Apple macOS versions with details – Deepak Keswani
The full list of all macOS versions until 2023
macOS - Wikipedia
macOS - Wikipedia
17 Years of Classic Mac OS Design History - 56 Images - Version Museum
Twenty Years of Mac OS X – Scripting OS X
OS X/macOS now older than Classic Mac OS - 9to5Mac
History of MacOS - YouTube
After 20 years of 10.x, macOS 11.x might only last a year | Macworld
How long does Apple support macOS? – The Eclectic Light Company
List of MacOS versions in order
