i lost my product key. how do i acquire my product key?

where have you bought Window 7?"A programmer is just a tool which converts caffeine into code" CLIP- Stellvertreter http://www.winvistaside.de/

Some key finder programs may help you to retrieve the key. Key Finder Programs - Top 13 Free Product Key Finder Programs - Keyfinder Software Important Note: Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.