UltraSearch

UltraSearch is a free program that allows you to instantly find files on your hard drive. Its interface, as well as its functionality, is extremely simple. It gives plenty of room for the search bar, the results list, and the search locations. The search results appear as you type. What's more, if you change the search indications, the results will appear instantly. Given that there aren't additional options, it's safe to say that UltraSearch is an ideal program for easy-going users that want to find files quickly and without a hassle.