Windows" redirects here. For the part of a building, see window. For other uses, see Windows (disambiguation).
Screenshot of Windows 8.1, showing its Start screen
| |
Company / developer | Microsoft |
---|---|
Written in | Assembly, C, C++[1] |
OS family | Windows 9x, Windows CE andWindows NT |
Working state | Publicly released |
Source model | Closed / Shared source |
Initial release | November 20, 1985Windows 1.0 | , as
Latest release | 6.3.9600 (October 17, 2013[±][2] | )
Marketing target | Personal computing |
Available in | 137 languages[3] |
Update method | |
Package manager | Windows Installer (.msi),Windows Store (.appx)[4] |
Supported platforms | ARM, IA-32, Itanium, x86-64 |
Kernel type |
|
Default user interface | Windows shell |
License | Proprietary commercial software |
Official website | windows.microsoft.com |
Microsoft Windows is a series of graphical interface operating systems developed, marketed, and sold byMicrosoft.
Microsoft introduced an operating environment named Windows on November 20, 1985 as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs).[5] Microsoft Windows came to dominate the world's personal computer market with over 90% market share, overtaking Mac OS, which had been introduced in 1984.
As of April 2014, the most recent versions of Windows for personal computers, smartphones, server computersand embedded devices are respectively Windows 8.1, Windows Phone 8.1, Windows Server 2012 R2 and
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