windows xp professional sp3 OEM
Features: 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. This combination 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 new operating system increases your computing power while lowering cost of ownership for desktop computers.

Product Activation Overview: Microsoft Product Activation is an anti-piracy technology designed to verify that software products have been legitimately licensed. This aims to reduce a form of piracy known as casual copying. Activation also helps protect against hard drive cloning. Activation is quick, simple, and unobtrusive, and it protects your privacy.
  
What is a System Builder? A System Builder (SB) is anyone who assembles, reassembles or installs software on a new or used computer system. Microsoft OEM System Builder products are designed to make it easy for System Builders to acquire and distribute genuine Microsoft software with the systems they build and sell. By purchasing this product, you agree to adhere to the System Builder license from Microsoft.

Limited Warranty: No refund, exchange or credit for OEM software. Only media can be replaced if defective within 7 days. OEM versions are for system builders only and cannot be transferred to another PC once it is installed.

The new XP OS requires registration with Microsoft for activation. One OS is allowed to installed on only one PC. All Microsoft products sold here are guaranteed to be genuine and counter-feit free. (4) WARNING: The certificate for the OEM package is on the shrink wrap for this product. Do not throw away the shrink wrap without removing the certificate first! We are not responsible for any certificate lost.