Ultimate Windows Tweaker is a Tweak UI Utility for tweaking and optimizing 32-bit & 64-bit Windows Vista. The utility features 130 registry tweaks, but is only 370 KB in size. It does not require any installation and can be run from the USB drive as well.
Ultimate Windows Tweaker is a must have application for all Vista users specially for the fact that its light weight and also portable.
Download Ultimate Windows Tweaker
