Windows 7 Tweaker is a free,reliable utility that will help you tweak and accomplish special "tasks" your Windows 7. It requires you to have .net framework 3.5 installed to run this software. It runs on both 32-bit as well as 64-bit Windows 7/Vista. Using this you can modify your windows, the way you could have never done it before! It contains several useful and unique tweaks and tasks(eg. You can create folders having special names like con,aux,etc.).