Download WinUtilities 6.4 for free. Scroll down a bit to see the download link. Be sure to review the included readme.txt file before installing it. This is a collection of tools to optimize and speedup PC system performance. It contains utilities to clean registry, temporary files on disks, erase application and internet browser history, cache and cookies. It can also control startup programs that load automatically with windows, find duplicate files, fix broken shortcuts and uninstall unneeded software. Other features include secure file deletion, recycle bin shredding, cleaning tasks scheduling and undelete files. This package usually goes for $49.