One of the best and my personal favorite CCleaner is a system optimization, privacy and cleanning tool which clears your system from all the junk files, internet browsing history, invalid registry making more free space on your system. You can also securely delete files from your system by overwritting it many times.
File Size :- 3.04 MB
License :- Freeware
Version :- 2.18.878
Homepage :- http://www.ccleaner.com