CCleaner

CCleaner is  system optimization, privacy and cleaning tool. It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space.

FEATURES:

1.  100% free.
2.   Has fully featured registry cleaner.
3.  cleans traces of your online activities such as your Internet history.
4.   Removes temporary files, history, cookies, super cookies, download history, form history from  windows and third-party applications.

You can download ccleaner from the following link:

Download ccleaner

Visit download page

If you find any error in download link,please mention  in comment i will update the link soon