Belarc Advisor

The Belarc Advisor builds a detailed profile of your installed software and hardware, including Microsoft Hotfixes, and displays the results in your Web browser. All of your PC profile information is kept private on your PC and is not sent to any web server.
This is one super program that will give you more info on your system than you could ever imagine. And as it says when you download it and run it from your desktop, it opens the results in your web browser. I played with it for 2 hrs and still didn't get through all the info that's possible to inspect.
I highly reccomend it.
Extremely easy to install and use.