Feed up with XP, want to revert back to the old ways, well if you performed an upgrade install
Before you install or purchase Windows XP upgrade CD you should make sure that your computer is compatible, click here for hardware and system requirements plus run upgrade advisor that is available from the link provided. This will allow you to checkout your system before you purchase or open the Windows XP packaging.
Click here for Microsoft's Upgrade Advisor - The Upgrade Advisor is a tool that checks your system hardware and software to see if it is ready for upgrade to Windows XP. If you run Upgrade Advisor while you are connected to the Internet, and if your system needs updates that are available on the Windows Update Web site, Upgrade Advisor will find them and install the updates for you.