Dec 30, 2018 How to Make Windows XP Genuine Forever. Do you have Windows XP without the genuine serial key? Don't worry - with a few clicks of the mouse and a little bit of cleverness, you'll be able to make your Windows XP genuine forever. Dec 09, 2018 Working with Windows XP Activator First, download the Windows XP Genuine software from the downloading link that provided. Check that your antivirus software is disabled or not. If not then disable the antivirus first. After installing.