Sorry, page not found Please enable cookies and refresh the page. How To Activate Windows Vista Product Key' title='How To Activate Windows Vista Product Key' />Learn more about how to activate Windows 7 or Windows 8. How to Activate Windows XP Without a Genuine Product Key. This wikiHow teaches you how to bypass the trial version of Windows XP, either by using a stock product key. What is Windows Loader. Windows Loader is tool for you to activate your Microsoft Windows. Visual Studio 2010 Express Offline Installer. It can activate Windows Vista, Windows 7 Ultimate, Windows 7 Professional. If youve installed Windows with a MAK key and now want to change it to KMS or installed OS never activated, and need to activate WIndows with KMS server, this.