Looking for a good software that can help you clear all the unwanted registry and etc??
Use CCleaner. Its a good and stable software that can help you clear all the unwanted files in your hard disk and thus speed up your computer. Most importantly, its free!!
The menu for this software is simple thus its easy to use. The program can also help you to defragment your hard disk which is important as it will speed up your computer.
Some screenshots from the CCleaner website:
You can download this free software from http://www.filehippo.com/download_ccleaner