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Editors' Review · September 23, 2025

Cleaning and optimization made simple

CCleaner is a widely recognized system utility designed to help users maintain and improve the performance of their computers. Its primary role is to remove unnecessary files, temporary data, and browser caches that accumulate over time. By clearing this digital clutter, the program helps free up disk space and can contribute to faster, more responsive performance.

Beyond basic cleaning, CCleaner includes tools for managing startup items, uninstalling applications, and fixing registry issues. Its clear interface keeps tasks approachable, making it useful for casual users seeking quick improvements and advanced users looking for deeper system maintenance.

One of the program’s standout strengths is its flexibility. Users can perform quick scans with one click or customize cleaning settings in detail, choosing exactly which areas of their system to optimize. This makes it practical for both regular maintenance and targeted adjustments. The inclusion of a built-in application uninstaller and startup manager adds to its appeal as a versatile all-in-one utility.

Features for better performance

CCleaner also provides privacy-focused features by enabling users to clear browser histories, cookies, and saved form data with ease. This proves especially useful for shared computers or for those aiming to limit tracking during web use. Paired with its secure file-wiping tool, the program makes sensitive information harder to recover, offering users more control over data protection and overall digital security.

However, one notable drawback lies in the potential risks tied to its registry cleaner. While some users may find the tool helpful for system optimization, altering the registry always carries a degree of risk, especially for those without technical experience. Caution is strongly advised, and casual users may be better off avoiding this feature altogether unless absolutely required for troubleshooting specific issues.

A dependable system maintenance tool

Overall, CCleaner stands out as a dependable solution for users wanting cleaner, faster, and more organized systems. It balances ease of use with advanced tools, making it suitable for both beginners and experienced users. Though certain features may require caution, the program continues to deliver reliable support for system maintenance, privacy protection, and overall performance improvements, ensuring smoother and more efficient computer operation over time.

Enlarged image for CCleaner
CCleaner 0/6

Technical

Title
CCleaner 6.21 for Windows
Requirements
  • Windows 11
  • Windows 8
  • Windows 7
  • Windows 10
  • Windows 8.1
Language
English
Available languages
  • Arabic
  • Czech
  • Danish
  • German
  • Greek
  • English
  • Spanish
  • Finnish
  • French
  • Italian
  • Japanese
  • Korean
  • Dutch
  • Norwegian
  • Polish
  • Portuguese
  • Russian
  • Swedish
  • Turkish
  • Chinese
License
Free
Latest update
Author
Piriform
SHA-1
976879ec3a707ba251ee1624491dfcbe1ae8edb3
Filename
ccsetup621.exe

Program available in other languages



Changelog

We don’t have any change log information yet for version 6.21 of CCleaner. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.

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