Speed up your PC with CCleaner®
CCleaner for PC helps you speed up your Windows computer, optimize performance, and maintain your online privacy
Also available for Mac and business user
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New Performance Optimizer
Get up to 34% more speed and 30% more battery life from your PC with our new proven, patented feature, plus enjoy an enhanced gaming experience and more!
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Driver Updater
CCleaner's Driver Updater improves things like your PC's visuals, sound, and internet connectivity while preventing software bugs, hardware problems, and crashes.
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PC Health Check
CCleaner'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.
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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Outdated apps are a security risk.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. CCleaner updates 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 favorite PC optimization tool! Easy to use, one 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 As it gets older it collects unused files, settings, resource-hogging applications, and out-of-date drivers which can make it slower and slower.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 cleans up these files, temporarily freezes apps when you're not using them, and updates software drivers to make your PC faster.
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Safer Browsing
Advertisers and websites track your behavior online with cookies that stay on your computer. CCleaner erases your browser search history and cookies so any internet browsing you do stays confidential and your identity remains anonymous.
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Registry Cleaner
Over time your registry can become cluttered with errors and broken settings which lead to crashes. Out-of-date software drivers can cause similar issues too. CCleaner’s patented registry cleaner clears out this clutter to make your PC more stable, and Driver Updater helps you keep on top any unruly, out-of-date drivers.
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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: 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: 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
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.
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