Hello i have recently downloaded and installed windows 7. but i have lost my product key what do i do?

Hello i have recently downloaded and installed windows 7. but i have lost my product key what do i do? Hi Jackson Go back to the download website http://www.microsoft.com/windows/windows-7/download.aspx Windows 7 Release Candidate Customer Preview Program- Scroll down and select the language for the 32-Bit or 64-Bit and click the GO button. On the next page, you should see the Product Key displayed.Hope this helps.Thank You for testing Windows 7 Ronnie Vernon MVP