You can get a a lot of information about your Computer with this Tool. This can also be a good place to track down errors or conflicts. The first screen tells what versions of your Operating System or Windows build is. It tells you what Motherboard you have and what Processor is on the Motherboard. It tells you how much RAM you have on your system and how big your page file is. On XP you get even more info, like the Time Zone, system directories, boot device and more. You can also check your IRQs, if you have any Hardware Conflicts, software, lol, a ton of information in this Utility.