When you have validated your Microsoft Windows software, you can take advantage of our free downloads and special offers, including free Microsoft Windows AntiSpyware (Beta) and Photo Story 3 for Windows.

By using genuine Microsoft software, you'll enjoy greater reliability, faster access to updates and overall richer experiences. Find out more about the benefits of the Windows Genuine Advantage Programme, which you can join once you've validated your software.

Validating your software is easy. View a demo that will show you how.