Belarc Inc. - 3.66MB (Freeware)
Belarc Advisor builds a detailed profile of your installed software and hardware, including Microsoft Hotfixes and software serial numbers. After collating all the data, it then shows 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.
Key features include:
Belarc Advisor is fast, easy to use, and gives you a surprisingly informative report of what makes up your computer system. It gathers information regarding things like any software installation, video card, CPU, RAM, software updates, as well as motherboard and network information. Where this application really shines though, is gathering software license information. It can find the correct product keys or serial numbers for your installed applications.