CCleaner 4.02 Released, Best Free System Optimization and Cleaning Tool

CCleaner is a free system optimization, privacy and cleaning tool. It removes temporary unused files from your system which helps your computer to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history. But the best part is that it's fast (normally taking less than a second to run) and contains no spyware or adware.
It cleans following stuff:

• Internet Explorer - Temporary files, history, cookies, Auto-complete 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.
• Safari - 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 registry entries.

Changes in new version:

• Improved Download History cleaning for Firefox
• Optimized Cookie cleaning for Internet Explorer 10
• Optimized detection of Google Chrome Startup items
• Improved compatibility with Internet Explorer 10
• Improved System and Browser Monitoring (Pro Version)
• Improved drive detection in File Finder
• Added cleaning for Adobe Fireworks 6.0, Nero 12 Platinum HD Suite, Foxit Reader 6.0, Virtual Clone Drive, PDFCreator and PDF Architect
• Improved cleaning for Freemake Video Converter
• Minor bug fixes and GUI improvements

You can download it using following link:
Download Link
Download Link (Mac)