From The Windows Club:
Ultimate Windows Tweaker is a freeware Tweak UI 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. The tweaker is a 345KB .exe file which does not require an install, but yet packs over 150 tweaks & settings. Simply download the zip file, extract its contents and run Ultimate Windows Tweaker. Please don't detach Empty Iconfrom executable's root, the Empty Icon is copied to system directory and referred in runtime.
What's new in this version:
Version 2.1 is a bug-fixing release.