After installing your Windows 7 OS, a period of 30 days is provided to activate the OS online or by telephone using the original Microsoft windows 7 product key. If the user doesn’t activate the product with the grace period of 30 days, then the OS will show a message in the bottom right corner of your desktop screen about the non validity ofthe product and then, will make the screen black.
Other than the security and critical downloadable updates no other updates can be done until the activation of the Windows 7 key generator. MS Windows 7 Product key cannot be searched manually as in the case of Windows 95 or 98. So in order to find the product key you can use key finder software like: Belarc Advisor, Magical Jelly Bean, Win key Finder, License Crawler, Product Key, Product Key Finder.You will have to download the key finder software and then follow the instructions and then your product key will be retrieved.
The Windows 7 product key is stored in the registry in an encrypted form so retrieved it by your own without using any software is quite tough.Now if you don’t get the key even after using the key finder software or if your key is not valid then you will have to request to Microsoft for a replacement key or you can buy a new copy of Windows7.
The product key of other versions of Windows other than Windows7 will not activate your Windows 7.So if you want to keep your Windows genuine you should buy a Family pack Windows7, OEM Windows 7 or a retail Windows 7. The Windows 7 product key generator download is provided with the CD in the form of a sticker with a COA(Certificate of Authenticity).