Microsoft is also presenting a different variety of options for the customers who innocently purchased a fake copy of Windows XP. Customers can also submit a proof of purchase, the original fake CD, and can also fill out a report with all the details of the purchase and Microsoft will provide the customer a complimentary copy of Windows XP. However there are only high-quality fake windows versions which will qualify for this type of copy. For customers who receive a computer from a friend, off the Internet or one more way and an illegal version which was installed in it, the only option for buying it is to buy a fully licensed version from the Microsoft. Microsoft is also now providing with the Windows XP Home Edition license kit for customers at a cheap rate, while the XP Pro Edition is just more than the home edition. The Windows Genuine Advantage Kit for Windows XP will also consist of a new 25-character Product Key and a Windows Product Key for updating the tool that will permit the customers to convert their fake copy in to a genuine Windows XP automatically. The other option is of course to buy a legal version of Windows XP off the Internet or in a retail store. Usually the prices for these versions will be more than the price Microsoft is also offering for their Windows Genuine Advantage Kit. Even though there are some of the internets sites like greatsoftwaredeals.com or edirectsoftware.com that has great prices for it. Consider that, if you purchase an OEM or full edition of Windows XP, you'll then have to format and reinstall your operating system in your computer. You can also purchase an Upgrade edition and alter a pirated version to a fully licensed version. Just verify that you are have a previous version of Windows (95, 98, ME) in this case you will require to totally reinstall the Windows XP. Also one of other note, if you presently have a XP Pro (pirated), you'll require to purchase the XP Pro Upgrade for upgrading your system. XP Home can only upgrade the Home Edition, where XP Pro can upgrade both the Home and Pro versions. Confidently, that's clear adequate to appreciate. The other option of course is to go throughout the Microsoft's site and purchase a new software key from the site. They will send you a program to upgrade the fake version to a legal version in your computer.