Registry and junk-clearing utility for keeping your system clean and optimized


Join our mailing list

Stay up to date with latest software releases, news, software discounts, deals and more.

Download CCleaner 6.16

  -  55.6 MB  -  Freeware
  • Latest Version:

    CCleaner 6.16 LATEST

  • Requirements:

    Windows 7 / Windows 8 / Windows 10 / Windows 11

  • User Rating:

    Click to vote
  • Author / Product:

    Piriform / CCleaner

  • Old Versions:

  • Filename:


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Outdated apps are a security risk.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.

Faster Computer
Is your computer running slow? As it gets older it collects unused files and settings which take up hard drive space making it slower and slower. CCleaner 2023 version cleans up these files and makes it faster instantly.

Safer Browsing
Advertisers and websites track your behavior online with cookies that stay on your computer. It erases your browser search history and cookies so any internet browsing you do stays confidential and your identity remains anonymous.

Fewer Errors & Crashes
Over time your registry can become cluttered with errors and broken settings which lead to crashes. C Cleaner’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. It helps you get to work or play faster by letting you disable unneeded programs.

How to Use

To use CCleaner, you will first need to download and install the program on your computer. Once it is installed, you can open the program and select the areas of your computer that you want to clean, such as your browser history, temporary files, and the recycle bin.

You can also use the program to remove unnecessary programs and files from your computer, as well as to manage your startup programs. Additionally, CCleaner Free also has a registry cleaner to help fix any errors or broken settings in your Windows registry. Once you have selected the areas you want to clean, simply click the "Run Cleaner" button and CCleaner will remove the selected files.

Other Features

  • PC cleaner
  • System cleaning
  • Registry cleaner
  • Junk file remover
  • Browser history cleaner
  • Temporary file cleaner
  • Startup program manager
  • Disk cleanup
  • Windows optimization
  • Privacy protection
  • Malware removal
  • System optimization
  • Disk space recovery
  • PC performance improvement
  • PC maintenance tool
  • Advanced system care
  • Cleaning software
  • Uninstaller tool
  • PC optimization software


Can CCleaner be trusted?
Answer: 100% Absolutely. The program is both reliable and safe for use.

What is CCleaner, and what does it do?
Answer: CCleaner is a system optimization and cleaning tool that helps to remove unwanted files, temporary files, and other junk that accumulates on your PC. It also has features to optimize your computer's performance.

Is CCleaner safe to use?
Answer: Yes, CCleaner is safe to use. It has been around for many years and has a good reputation. However, it's always important to download CCleaner from the official website to avoid downloading a fake or malicious version.

Does CCleaner delete important files?
Answer: CCleaner is designed to only delete files that are safe to remove, such as temporary files and other unnecessary data. However, it's always a good idea to review the items that CCleaner suggests deleting before giving the final approval.

Is CCleaner free to use?
Answer: It offers a free version of the software that provides basic cleaning and optimization features. However, there is also a paid version, CCleaner Professional, that provides additional features and support.

Can CCleaner speed up my computer?
Answer: Yes, it can help speed up your computer by removing unnecessary files and optimizing your system settings. However, it's important to note that CCleaner is just one tool that can help improve your computer's performance.

Can CCleaner remove viruses?
Answer: No, the app is not an antivirus program and cannot remove viruses. However, it can help remove temporary files and other junk that may be contributing to a slow or infected system.

How often should I run CCleaner?
Answer: It's recommended to run CCleaner at least once a week to keep your system clean and optimized.

Will CCleaner delete my browsing history?
Answer: Yes, It can delete your browsing history, cookies, and other temporary files associated with your web browser. However, you can configure the program to leave certain items untouched if desired.

How do I use CCleaner to clean my PC?
Answer: To use CCleaner Free to clean your PC, simply download and install the program, select the items you want to clean, and then click the "Run Cleaner" button. CCleaner will then scan your system for unnecessary files and delete them accordingly.

Why is my PC so slow?
Answer: A slow computer can be caused by a range of factors, including an excessive accumulation of junk files and settings, too many background apps running, a fragmented hard drive, or the presence of malware and viruses.

How do you fix a slow PC
Answer: Before considering purchasing a new computer or hardware, there are a range of solutions you can try. One useful tool is CCleaner or PC Repair, which can help you identify the causes of your slow computer and guide you on how to address them. By using the app, you can clean up unnecessary files and optimize your system settings to help improve your computer's performance.


Advanced SystemCare Pro - A popular all-in-one system optimization tool that cleans junk files, fixes registry errors, optimizes system performance, and provides real-time protection against malware.

PC Repair - The overall package of tools for your Windows PC issues! Take the bull by the horns: identify and resolve performance issues that might be affecting your PC.

System Mechanic Pro - Help you keep your Windows PC free of problem files and other junk!

Ashampoo WinOptimizer - A feature-rich system optimization suite that cleans up junk files, optimizes system settings, improves privacy, and offers various tools for disk management and performance enhancement.

MyCleanPC - A comprehensive set of tools for system optimization! Speed Up Your Windows Computer in Few Minutes!

System Requirements

  • OS: indows 11, Windows 10, Windows 8.1, Windows 7 (32-bit and 64-bit versions)
  • Processor: Intel Pentium 4 or later, or equivalent AMD processor
  • RAM: Minimum of 1 GB (recommended 2 GB or more for optimal performance)
  • Hard Drive Space: At least 50 MB of free space for installation and temporary files
  • An internet connection is required for product activation and updates
  • Administrator rights are necessary to install and run CCleaner


  • Efficient Junk File Cleanup
  • Performance Optimizer - NEW Feature
  • Registry Cleaning
  • Browser Privacy Protection
  • Uninstalling Unwanted Applications
  • System Startup Management


  • Limited Customization Options
  • Potentially Unnecessary Registry Cleaning
  • Lack of Advanced System Optimization Features


Overall, CCleaner is a useful tool for maintaining and optimizing your Windows 11/10, but it's important to always backup your important files before using it, and to download it from our website to ensure you have a clean and safe version.

All in all, CCleaner is a popular system optimization and cleaning tool that can help improve the performance and speed of your computer. It offers a range of features, including cleaning temporary files, removing junk data, and optimizing system settings. CCleaner is easy to use and has a good reputation in the industry. However, while it can help improve the performance of your computer, it's important to note that it is just one tool that can be used in combination with other methods to keep your computer running smoothly.

Additionally, it's important to review the items that CCleaner suggests deleting to ensure that you do not accidentally delete any important files. Overall, the app is a useful tool for keeping your computer clean and optimized.

Also Available: Download CCleaner for Mac and CCleaner Portable

Join our mailing list

Stay up to date with latest software releases, news, software discounts, deals and more.