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                                           Microsoft has developed, marketed and sold windows, or microsoft windows. Windows come from a family, which includes Windows NT, Windows Embedded and Windows Phone.

Windows was introduced on November 20, 1985 as a graphical operating system shell for MS-DOS. Microsoft windows took over 90% market share of the world’s personal computer, overtaking many other OS in such little time.


windows-phoneFrom 2014, the most recent versions of windows are Windows 8.1 and Windows Phone 8.1, Windows Server 2012 R2 and Windows Embedded 8. The next version is set to release for phones, laptops, tablets and personal computers in the later part of 2015.




 windowsScreenshot of Windows 8.1, showing its Start screen
Screenshot [show]
Developer Microsoft
Written in C, C++, Assembly
Working state Publicly released
Source model Closed / Shared source
Initial release November 20, 1985; 29 years ago, as Windows 1.0
Latest release 6.3.9600 (October 17, 2013; 15 months ago)
Latest preview 10.0.9926(January 23, 2015; 19 days ago)
Marketing target Personal computing
Available in 137 language
Update method Windows Update
Windows Anytime Upgrade
Windows Store
Package manager Windows Installer (.msi),Windows Store (.appx)
Platforms ARM, IA-32, Itanium, x86-64
Kernel type Windows NT family: HybridWindows 9x and earlier:Monolithic (MS-DOS)
Default user interface Windows shell
License Proprietary commercial software
Official website