Microsoft Corporation provides software products for computing devices worldwide. Its Client segment engages in technical architecture, engineering, and product delivery of Windows product family comprising Windows Vista; Windows XP Professional and Home; Media Center Edition; Tablet PC Edition; and other Windows operating systems. The Server and Tools segment offers integrated server infrastructure and middleware software that support software applications and tools built on the Windows Server operating system. It offers Windows Server operating system; Microsoft SQL Server; Microsoft Enterprise Services; product support services; Visual Studio; System Center products; Forefront Security products; Biz Talk Server; MSDN; and TechNet.