The Windows XP Professional operating system is the best choice for businesses of all sizes. Windows XP Professional integrates the strengths of Windows 2000 Professional, such as standards-based security, manageability, and reliability, with the best business features of Windows 98 and Windows Millennium Edition, such as plug and play, simplified user interface, and innovative support services. Thiscombination creates the best desktop operating system for business. Whether your business deploys Windows XP Professional on a single computer or throughout a worldwide network, this operating system increases your computing power while lowering cost of ownership for desktop computers.Windows XP Service Pack 3 (SP3) includes all previously released updates for the operating system. This update also includes a small number of new functionalities, which do not significantly change customers' experience with the operating system.

PerfectSpeed is the first product to combine multiple enterprise-class performance-enhancing tools in one easy-to-use suite for the casual PC user — a Microsoft-certified disk defragmentation and optimization tool, safe registry cleaner, duplicate file remover, military-strength file shredder and powerful privacy protection all in one. And it’s automated, which makes it easy for the novice user, but also others who desire these capabilities from a vendor they can trust.