Software that is Free to download and If we talk on its Functions Then ofcourse, Its very very Good Software.
CCleaner Version v2.13.720 is Freeware and Can be Used on any Windows.
Its Home Page is Here: http://www.ccleaner.com/
Its Importan Features are These:
CCleaner is a freeware PC optimization tool.
It combines a system cleaner that removes unused and temporary files from your system and also a fully featured registry cleaner!
CCleaner allows Windows to run faster, more efficiently and gives you more hard disk space.
CCleaner was designed from the ground to be safe and secure to use. It has multiple levels of checks in place to ensure that it cannot delete any useful information or documents you may still need. We also certify that it contains no Spyware or Adware.
Size: 2.9 MB (2,955,128 bytes)
Direct Link: http://download.piriform.com/ccsetup213.exe