Operating system Chromium OS. Microsoft Windows is a family of proprietary operating systems designed by Microsoft Corporation and primarily targeted to Intel architecture based computers, with an estimated 88.9 percent total usage share on Web connected computers. The latest version is Windows 10. In 2011, Windows 7 overtook Windows XP as most common version in use. Microsoft Windows was first released in 1985, as an operating environment running on top of MS-DOS, which was the standard operating system shipped on most Intel architecture personal computers at the time. In 1995, Windows 95 was released which only used MS-DOS as a bootstrap. For
Windows Vista networking technologies not go into another. This feature however was removed before the release of Windows Vista, and is slated to be included possibly in a future release of Windows. Windows Vista also introduces Network Access Protection (NAP), which makes sure that computers connecting to a network conform to a required level of "system health" as has been set by the administrator of the network. With NAP enabled on a network, when a Windows Vista computer attempts to join a network, it is verified that the computer is up-to-date with security updates, virus signatures and other factors, including configuration of IPsec and