Here is simple, but useful google search hack that will help you to find Serial key, Keygen, Patch of any software .

1. Go to google.com
2.Type this syntax in search bar ” 94FBR Product name with desired software” 

For Example -->

94FBR was part of a Microsoft Office 2000 product key that was released on the internet that bypassed Microsoft's activation system.Because it is a relatively uncommon term, when you add it to your search queries, it will generally return results of pages listing illegal serial numbers.