|Latest Version||Windows 8.1|
|Current State||Publicly Released|
|Website||Official Windows Site|
Microsoft introduced ab operating enviroment named Windows on 20th November 1985. Windows soon begain to dominate the world personal computer (PC) market with over 90% market share, overtaking Mac OS, which was introduced in 1984.
In recent years, Windows has begun to expand their operating system and extend it onto other devices, such as mobile phones and tablets.