Speed up your PC with CCleaner®
CCleaner for PC helps you clean up your Windows computer, optimize performance, and maintain your online privacy
Also available for Mac, iOS, Android, and business user
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New Cloud Drive Cleaner
Take back control of your Google Drive and Microsoft OneDrive. Scan them for duplicates, large and old files. Quickly see how much space you can free up and choose what to delete. Reclaim valuable space easily and fast with Cloud Drive Cleaner.
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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!
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Driver Updater
CCleaner's Driver Updater helps improve performance of your PC's graphics, sound, and internet connectivity while preventing software bugs, hardware problems, and crashes.
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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.
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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Outdated apps are a security risk.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.
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Award-winning PC Optimization
Trusted by millions and critically acclaimed, there’s a reason why CCleaner is the 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.
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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 As it gets older it collects unused files, settings, resource-hogging applications, and out-of-date drivers which can make it slower and slower.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.
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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.
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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.
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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.
Which CCleaner version is right for you?
CCleaner
FREE- Faster Computer
- Privacy Protection
CCleaner
PROFESSIONAL
- NEW: Cloud Drive Cleaner
- Performance Optimizer
- Driver Updater
- PC Health Check
- Software Updater
- Faster Computer
- Privacy Protection
- Real-time Monitoring
- Scheduled Cleaning
- Priority Support
CCleaner
PROFESSIONAL PLUSUp to 3 devices
- NEW: Cloud Drive Cleaner
- Performance Optimizer
- Driver Updater
- PC Health Check
- Software Updater
- Faster Computer
- Privacy Protection
- Real-time Monitoring
- Scheduled Cleaning
- Priority Support
- File Recovery
- Hardware Inventory
- CCleaner for Android Pro
- CCleaner for Mac Pro
Why Upgrade to CCleaner Professional?
CCleaner Professional is the most powerful version of Piriform's celebrated PC cleaner. It makes it easy to speed up a slow computer by disabling resource-hogging apps and programs, updating out-of-date software drivers and more. Plus you can keep your activity private—automatically and in the background.
These are some of the features you get with CCleaner Professional
Cloud Drive Cleaner
Free up storage space and organize your Google Drive and Microsoft OneDrive.
Performance Optimizer
Boost your PC's speed by up to 34% + get better battery life
Driver Updater
Boost the performance of your PC hardware and devices.
Software Updater
Update apps to get new features, security and bug fixes
System Requirements
Runs on Microsoft Windows 11, 10, 8.1, and 7. Including both 32-bit and 64-bit versions.
CCleaner FAQs
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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.
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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.
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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.
Also available for your Android device!
CCleaner optimizes your Android in seconds. Making your device cleaner, safer and faster
Free Download
The world's most popular PC cleaner
…protects your privacy and makes your computer faster and more secure
Find out how CCleaner can optimize business computers
If you’re a home user, click here