DTweak is a complex tweaker which enables you to:?? Defragment disks and registers, ?? Clean file and registry sistems, ?? Tune computer performance, ?? Optimize and increase the speed of your Windows Vista system without manually modifying registers or ini files. The producers of DTweak continue to add new features with every new release, and if you didn't see a needed feature in this release, most probably you'll see it in the next!Here are some key features of "DTweak Pro":