Most used desktop operating systems in 2021
| Operating system | Percent |
| Windows | 74,76 % |
| OSX | 16,04 % |
| Desconocido | 4,92 % |
| Linux | 2,2% |
| Chrome OS | 2,07 % |
| FreeBSD | 0 % |
In the course of 2021, the most used operating system in the world was Windows with 74.76%, followed by OSX with 16.04%, Linux had a share of 2.2%. Compared to 2020, the share of Windows in 2021, dropped from 76.84% to 74.76%, still being the most used operating system worldwide, on desktop computers.
Most used mobile operating systems in 2021
| Operating system | Percent |
| Android | 70,52 % |
| iOS | 28,62 % |
| Samsung | 0,37 % |
| KaiOS | 0,14% |
| Desconocido | 0,13 % |
| Playstation | 0,08 % |
| Xbox | 0,04 % |
The most used mobile operating system in the world in 2021 was Android, with 70.52%, then comes iOS with 28.62, and Samsung with 0.37%. According to the trends in relation to 2020, Android had a slight decrease in its share (71.42 % – 70.52 %), while iOS (27.95 % – 28.62 %) and Samsung (0.2 % – 0.37 %) had a slight rebound.
Most used Windows operating systems in 2021
| Operating system | Percent |
| Windows 10 | 79,36 % |
| Windows 7 | 15,42 % |
| Windows 8.1 | 3,44 % |
| Windows 8 | 1,07 % |
| Windows XP | 0,61 % |
| Windows Vista | 0,25 % |
The most used Microsoft Windows operating system in 2021 was Windows 10, with 79.36%, followed far behind by Windows 7 with 15.42%, and Windows 8.1 with 3.44%. Compared to 2020, Windows 10 increased its share in 2021 by more than 6%, while Windows 7 fell from 20% to 15.42%, and finally Windows 8.1 also decreased its share from 4.44% to 3.44%.
