How can I get back my windows 7 serial key?

Sometimes a user needs to know the complete product key information of any operating system. Such cases can arise when you purchase Windows 7 and want to get the complete information of the OS.
To recover Windows 7 product key, use ProduKey. It is a free tool that tells the user complete product key information for installed MS Office, Windows, ExchangeServer, and SQL Server.The Windows product key is mentioned at the bottom of most laptops. But what if the sticker comes off and you want to reinstall Windows 7? Secondly the complete product key information is not listed anywhere. In case your serial number gets lost, it is quiet possible to recover both the Product ID and Product Key.

you can get all the details about windows 7 serial key by clicking the link below:

http://www.addictivetips.com/windows-tips/windows-7-serial-key-product-key/