Optimize your old Windows PC for better performance and keep a new machine healthier for longer.
With millions of users worldwide, CCleaner is a leading tool to help you clean up, speed up, and fix your Windows PC. Our patented Performance Optimizer and smart, automated cleaning are designed to declutter and speed up your computer. Driver and Software Updaters help keep it more stable, secure, and better performing, while automatic browser cookie and history cleaning helps preserve your online privacy.