The reason people use Windows is: - Because it comes preinstalled in their computers. - Because that is what schools and workplaces use. - Because MS Office

The reason people use Windows is: - Because it comes preinstalled in their computers. - Because that is what schools and workplaces use. - Because MS Office is the de-facto office suite (although now you have Google Docs, LibreOffice, FreeOffice, etc) - Because most games are released for Windows. All these reasons are pretty sad.