macOS runs on Apple’s Mac computers, including the MacBook, which is Apple’s laptop PC product including the MacBook Pro and MacBook Air, and the iMac – Apple’s desktop computer. Released in October 2019, macOS Catalina is now run on almost 74.5 percent of the Apple computers as of June 2021. The most recent version macOS Catalina (version 10.15) is the sixteenth release of macOS. Having an equally long history, Apple’s Mac operating system (macOS, previously Mac OS X and OS X) also went through different releases. Windows is also the server computer OS with the largest market share of over 72 percent in 2019. Windows 10 is the newest addition to the family, being able to run on PCs, tablets and embedded devices. Notable versions include Windows 95, Windows XP, and Windows 7.

Linus, the third most popular desktop OS, has a small but stable share of the market.įrom its initial release in 1985, Microsoft Windows has gone through endless mutations. Apple’s Mac operating system has been gaining market share over the years, albeit remaining a minor player in the desktop OS market. Microsoft Windows is the dominating desktop operating system (OS) worldwide as of June 2021, with a share of just under 73 percent.