Item Description All our items are backed by support from highly experienced computer tech. Please contact us for support and we will help. Windows XP Professional Edition with SP3 (the final Microsoft official servie pack 3 update), full install CD with product key. The CD and the key are all you need to install and run Windows on your computer. OEM version CD. Perfect for full / clean install of Windows on PC computers of all brands or no brand. Unique original product key for activation / authentication. Detailed install instructions included. If you have any difficulty, please contact us for support. CD has been lightly to moderately used. May have some light scratches or marks. Still working fine. Both the CD and key are guaranteed to work or your money back.  Attention eBay: This OEM version is offered together with original hardware (laptop computer hard drive) in full compliance to eBay listing rules for OEM software. The photo shows a sample of such hardware. Since the hardware has been extensively used for years and has been retired years ago, we are not able to offer any guarantee on the condition or specification of the hardware. Sales Terms We always describe the item to my best knowledge of the item. If you have any concern or problem with your purchase, please let us know and we will work to address the concerns to your satisfaction. Please do not open a case or leave a negative feedback BEFORE giving us a fair chance to get things right. In case of return, please follow our return instructions you will receive in the package for smooth return and refund. Thanks.