CCleaner is a freeware system optimization, privacy and cleaning software for all versions of Windows operating system. CCleaner removes unused files from your system including temporary files and traces of your online activities such as your Internet history.

CCleaner is also a full featured system registry cleaner which cleans and optimizes windows registry. CCleaner is designed to be light on systems resources and runs very fast. CCleaner does not contain any adware or spyware.

[Click to view larger image] CCleaner temporary files cleanerCCleaner cleans the following:

Internet Explorer
Temporary files, history, cookies, Autocomplete form history, index.dat.  

Firefox
Temporary files, history, cookies, download history, form history.  

Google Chrome
Temporary files, history, cookies, download history, form history.  

Opera
Temporary files, history, cookies.  

[Click to view larger image] CCleaner registry cleaner and optimizerSafari
Temporary files, history, cookies, form history.  

Windows
Recycle Bin, Recent Documents, Temporary files and Log files.

Registry cleaner
Advanced features to remove unused and old entries, including File Extensions, ActiveX Controls, ClassIDs, ProgIDs, Uninstallers, Shared DLLs, Fonts, Help Files, Application Paths, Icons, Invalid Shortcuts and more. It also comes with a comprehensive backup feature.  

Third-party applications
Removes temp files and recent file lists (MRUs) from many apps including Media Player, eMule, Kazaa, Google Toolbar, Netscape, Microsoft Office, Nero, Adobe Acrobat, WinRAR, WinAce, WinZip and many others.

Download CCleaner System Optimization, Privacy and Cleaning Tool