The main window of TweakNow RegCleaner Professional, where you will be able to select the action that you want to perform. 

Registry Hives window of TweakNow RegCleaner Professional, where you will be able to defragment your registries. 

General Options tab window of TweakNow RegCleaner Professional, where you will be able to set the exclusion list. 

Application window of TweakNow RegCleaner Professional, where you will be able to select the applications that you want to search registries of. 

Select Category window is where you will be able to select the component that you want to tweak. 

Application window of Tweak component, is where you will be able to set the general settings. 

Control Panel window of Tweak component, is where you will be able to select from Personalization, Internet Options, Programs and Features. 

Windows Core window of Tweak component, is where you will be able to select from Windows XP Prefetch, Security, Windows Time Out.