Ultimate Windows Tweaker 2.2
Ultimate Windows Tweaker is a freeware TweakUI Utility for tweaking and optimizing Windows 7 & Windows Vista, 32-bit & 64-bit.
It can simply be downloaded and used as a portable application to customize your Windows to meet your requirements. With judicious tweaking, it can make your system faster, more stable, and more secure with just a few mouse clicks. The tweaker detects whether you have Windows 7 or Windows Vista installed and accordingly offers you the relevant tweaks only.