Download now the serial number for Windows XP Bit Edition. All serial numbers are genuine and you can find more results in our database for Windows software. Updates are issued periodically and new results might be added for this applications from our community. The following CD-KEYs are official and original from Microsoft, mainly used for Windows XP Professional Service Pack 2/3 VOL/VLK system images which are the easiest ones to find on the Internet. Their biggest advantage is your Windows XP will be activated after using these CD-KEYs to complete installation. // Windows XP Pro Product Keys //. Windows 7 Professional Product key is available in both 32 bit and bit operating system. It is mostly used by offices, firms, and organizations as it is the best professional operating system. There are newly added new features that will amaze you while using these particular features. But there is bit Windows XP that is available for 64 bits OS. How to Use Windows XP Product Keys. Go to the start button and click it. Right click on the computer option and look for properties option. Click the Windows activation option that is always at the bottom of the screen. An option of changing the Windows XP product key will come up. Jun 18, · Find the Windows XP product key below. Windows XP Professional Sp3 Product Key is the succeeding design of the Windows operating system, that is designed for groups of all sizes, and for individuals who demand the most from their computing revel in. Windows XP Professional goes past the benefits of Windows XP with superior talents designed 5/5.