What+is+Windows+Vista?

What is Windows Vista? Windows Vista is Microsoft's next generation operating system, formerly known by its code name of "Longhorn." Originally announced in 2001 and officially unveiled at Microsoft's 2003 developers' conference, Vista faced numerous delays; with Microsoft scaling back some of its features, in order to help get it out the door within the stated target of 2006.

Windows Vista was released to business customers on November 30, 2006 and to everyone else in January 30, 2007.