The most used operating systems on PC
Officially launched last week, Windows 11 is available for Windows 10 users free of charge. in October 2025.
As data from StatCounter, based on the number of page views, shows, the desktop operating system market is still largely dominated by Microsoft. In September 2021, Windows 10 alone held 60% of the market share, while Windows 7, launched more than ten years ago, was still installed on around one in ten computers (11%), despite the its support will end in January 2020. Apple's latest, macOS Catalina (version 10.15), ranks second with 12.5% of the global market share, while the open source operating system Linux comes fifth (2.4%), almost at the same level as Windows 8 (2.5%).