Suggest product key finder program

I want to find the licence key or rather say product key of my Windows.
I know this can be done manually but I would rather prefer to use some automatic programs avilable for this..... can anybody suggest me some reliable program to find product key.....

thnx

I will suggeat you to try Magical Jelly Bean Keyfinder

The Magical Jelly Bean Keyfinder program is a free utility that retrieves product keys from the registry. It also has the ability to find product keys for Microsoft Office programs, along with product keys from many other non-Microsoft programs.

Advantages-
very small size,
ease of use,
no installation required,
instant display of product keys
multiple product key saving options.

Finds Keys for Operating Systems-
Microsoft Windows 95, Windows 98, Windows ME, Windows 2000, Windows XP, Windows Server 2003, Windows Server 2008, and Windows Vista.

Finds Keys for Other Software-
Microsoft Office 2007, Office 2003, Office XP, and several non-Microsoft programs.

Some other product key finder freeware

Winkeyfinder is the free utility program that retrieves product keys from the Windows registry.

The advantages include - small program size, no installation required.
The additional features - a password generator, the ability to change registered user information, and activation backup capabilities.


RockXP is free program that retrieves lost product keys from the registry.

advantages include small program size, no installation required
additional features such as a password generator and password retriever.

KeyFinder Pro

Gear Box's KeyFinder Pro 2007 is fantastic utility that can find your Windows product keys - Microsoft Windows 2000, Windows XP, Windows 2003, and Windows Vista. . It can also find product keys for several Microsoft Office programs - Microsoft Office 2007, Office 2003, and Office XP..

Advantages - a very small download size, no installation required, no compressed files to extract, and nothing to run.

KeyFinder Pro instantly displays product keys and allows you to save or print them for safe keeping.



Keyfinder Thing

Keyfinder Thing is another free, easy to use utility that finds product keys and serial numbers hidden in the Windows registry.

Advantages include small program size, nothing to run, and support for a large list of non-Microsoft programs.

It finds keys for Microsoft Windows ME, Windows NT, Windows 2000, Windows XP, Windows 2003 Server, and Windows Vista.

It also finds keys for other softwares like Microsoft Office 2007, Office 2003, Office XP, Microsoft Money, Nero 7, Corel Suite 11, The Sims 2, and many more programs.

WinGuggle is a very simple key finder program. WinGuggle easily finds product keys for popular Microsoft Windows operating systems and several Microsoft Office programs.

WinGuggle supports Microsoft Windows XP and Windows Vista and other software like Microsoft Office 2007, Office 2003, and Office XP.
WinGuggle instantly displays your Windows and Office product keys.

Major Advantages
a quick download size, no installation required, access to a few advanced tools, and a very simple interface.