Windows Vista

Windows Vista is a line of graphical operating systems used on personal computers, including home and business desktops, notebook computers, Tablet PCs and media centers. Windows 3.1, Windows 98, Windows NT, Windows Me, Windows 2000 Professional , Windows 2000 Advanced Server, Windows XP are some previous versions of Microsoft Windows.

Prior to its announcement on July 22, 2005, Windows Vista was known by its codename "Longhorn". Its development was completed on November 8, 2006; over the following three months it was released in stages to computer hardware and software manufacturers, business customers, and retail channels. It was released worldwide to the general pubilc on January 30, 2007.

Windows Vista contains hundreds of new and reworked features; some of the most significant include an updated graphical user interface and visual style dubbed Windows Aero, improved searching features, new multimedia creation tools such as Windows DVD Maker, and completely redesigned networking, audio, print, and display sub-systems.Microsoft's primary stated objective with Windows Vista, however, has been to improve the state of security in the Windows operating system.