CCleaner is a freeware system optimization, privacy and cleaning tool for Windows PC. It removes unused files from your system allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history.

Additionally, it contains a fully featured registry cleaner. CCleaner Free by Piriform, clean temporary files, optimize & speed up your Computer with the world’s leading PC Cleaner.

Features and Highlights

Performance Optimizer – NEW!
Get up to 34% more speed and 30% more battery life from your PC with new proven, patented feature, plus enjoy an enhanced gaming experience and more!

Driver Updater – NEW!
Program’s new Driver Updater improves things like your PC’s visuals, sound, and internet connectivity while preventing software bugs, hardware problems, and crashes.

PC Health Check
App’s new Health Check analyzes your PC and recommends quick fixes, then automatically tunes and updates it so it starts and runs faster, and is more secure.

1-Click Updates All Your Software
Outdated apps are a security risk. Old software can have vulnerabilities, which are quickly discovered and shared amongst cyber criminals. It updates your software automatically to close security holes before they can be found.

Award-winning PC Optimization
Trusted by millions and critically acclaimed. There’s a reason why the app is the world’s favorite PC optimization tool! Easy to use, one-click cleaning so beginners can optimize their computers in seconds and packed with advanced features for power users.