Microsoft Windows XP Professional :  is the next version of the Windows operating system, which is designed for businesses of all sizes, and for individuals who demand the most from their computing experience. Windows XP Professional goes beyond the benefits of Windows XP Home Edition with advanced capabilities designed specifically to optimize productivity using the latest advancements in the digital world. Built on the solid foundation of Windows 2000, Windows XP Professional provides improved reliability, security, performance and ease of use, setting the new standard in efficient and dependable computing. Microsoft Windows XP  provides an enhanced security infrastructure that defends against viruses, worms, and hackers, along with increased manageability and control for IT professionals and an improved experience for users. By alerting you to potentially unsafe attachments, Windows XP  helps guard your computer from viruses that can spread through Internet Explorer, Outlook Express, and Windows Messenger. Internet Explorer download monitoring and the Internet Explorer Information Bar warn you about potentially harmful downloads and give you the option to block files that could be malicious. Internet Explorer Pop-Up Blocker makes browsing the Internet more enjoyable by helping you reduce the unwanted ads and content that pop up when you're browsing the Web. The powerful, built-in Windows Firewall is now turned on by default. This helps protect Windows XP against viruses and worms that can spread over the Internet. The new Windows Security Center allows you to easily view your security status and manage key security settings in one convenient place. With SP2 you can get the latest updates easily. Enhancements to Windows XP's Automatic Updates feature make it even easier to access Windows updates. Plus, new technology has been added to help dial-up customers download updates more efficiently. Improvements to Outlook Express help reduce unwanted e-mail by limiting the possibility of your e-mail address being validated by potential spammers. The new Add-On Manager in Internet Explorer lets you easily view and control add-ons to reduce the potential for crashes and enjoy a more trouble-free browsing experience. SP2 improves wireless support and simplifies the process of discovering and connecting to wireless networks in your home or on the road.Full Specs: Pricing Level : Standard License :Complete package Product Type : Retail Media Format : CD-ROM Max License Size : 1 user Required Processor Class : Intel Pentium Required Processor Speed : 233 MHz Required Memory : 64 MB Required Disk Space : 1.5 GB Note: This is not Academic, Not just CD's, Not OEM, Not Upgrade, Not bundle. This is same software you would purchase from your local computer retail store, but at %20 to %50 less than retail price.