Windows

Windows is a family of graphical operating systems made by Microsoft. The first version of Windows was released in 1985. Currently, the latest version of Windows is Windows 10 October 2020 Update (Windows 10 version 2009).

Before fictional Windows versions become popular, there were a parodies of Windows. After the WNR cult was made, fictional Windows versions became popular and nowadays it's the most popular OS in the OSM community.