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.

Changes in new version:

• Brand new user interface
• Improved internal architecture for better performance
• Added Google Chrome plugin management
• Improved Google Chrome Startup item detection
• Improved system restore detection routine
• Updated exception handling and reporting architecture
• Optimized 64-bit builds on Windows 8, Windows 8.1 and Windows 10
• Optimized automatic updates for Pro version
• Updated various translations
• Many performance improvements and bug fixes.

(Mac.) Free Version