Windows Device Manger

Windows default facility for providing information about how the hardware on your computer is installed and configured, and how the hardware interacts with your computer’s Operating System (OS). Device Manger allows computer administrator to install, update, and modify device drivers for installed hardware on your computer. This is also the best place to go for any device driver troubleshooting.

I personally like this facility for giving a good overview of all devices you’ve installed on your computer.