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 editions development of embedded devices. Notes: Unlike previous versions of Windows, Windows Vista does not support compliance checking during installation; compliance checking previously allowed users to insert a disc as evidence that the operating system was being upgraded over a previous version, which would allow users to enter an upgrade license to perform a clean install. As a result, Upgrade versions of Windows Vista will not install unless a previous version of Windows is already installed on the machine to be upgraded. A workaround for this limitation was reported by Paul Thurrott, who stated that users should be able to perform