Speed up your PC with CCleaner

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Also available for Mac and business user

Performance Optimizer
Get up to 34% more speed and 30% more battery life from your PC with our proven, patented feature, plus enjoy an enhanced gaming experience and more!
Driver Updater
CCleaner's Driver Updater helps improves performance of your PC's graphics, sound, and internet connectivity while preventing software bugs, hardware problems, and crashes.
PC Health Check
CCleaner's Health Check analyzes your PC and recommends quick fixes, then automatically tries to tune and update it so it starts and runs faster, and is more secure.
Software Updater
Outdated apps are a security risk. Old software can have vulnerabilities, which are quickly discovered and shared amongst cyber criminals. CCleaner helps update 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 CCleaner is a world’s leading PC optimization tool! Easy to use, few click cleaning so beginners can optimize their computers in seconds. Plus, it's packed with advanced features for power users.
Faster Computer
Is your computer running slow? As it gets older it collects unused files, settings, resource-hogging applications, and out-of-date drivers which can make it slower and slower. CCleaner helps you cleans up these files, temporarily freeze apps when you're not using them, and update software drivers to make your PC faster.
Browser Cleaning
Temporary browsing data, cookies, and trackers aren’t just a privacy concern – they can lead to errors loading websites, too. CCleaner diligently deletes data trails from all major browsers that don’t clean up after themselves.
Registry Cleaner
Over time your registry can become cluttered with errors and broken settings which may lead to crashes. CCleaner’s patented registry cleaner clears out this clutter to make your PC more stable.
Quicker Startup
Many programs run silently in the background when you start up your computer. CCleaner helps you speed up your PC's boot time by letting you disable unneeded programs.
System Requirements
Runs on Microsoft Windows 11, 10, 8.1, and 7. Including both 32-bit and 64-bit versions.

CCleaner FAQs

Why is my computer so slow?
Computers become slow for a variety of reasons, whether it’s an unnecessary build up of junk files and settings, too many apps running in the background, a fragmented hard drive or malware and viruses.

How do you fix a slow computer?
You don’t have to resort to a brand new computer or hardware. There’s a lot you can do before reaching this stage. CCleaner can help you understand what things really slow down your computer and how to solve them.

How to clean your PC using a software?
To clean your PC using software, follow these steps. First, choose a reliable PC cleaning software like CCleaner. Install the software and run a system scan to identify unnecessary files such as temporary files, junk files, and unused data. Then, follow the prompts to remove the identified files and optimize your PC's performance.