The most comprehensive edition of Windows Vista, Windows Vista Ultimate (DVD-ROM) is the first operating system that combines all of the advanced infrastructure features of a business-focused operating system, all of the management and efficiency features of a mobility-focused operating system, and all of the digital entertainment features of a consumer-focused operating system.For the person who wants one operating system that is great for working from home, working on the road, and for entertainment, Windows Vista Ultimate is a no-compromise operating system that lets you have it all.