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Monitor your system, erase junk files, and free up disc space.

Optimize your system's performance by cleaning temporary or unwanted files left by different software, system caches, log files, and other data. Protect your identity by removing browsing history and cookies that can be used by browsers to track you. Uninstall or disable unneeded programs and clean out your registry to prevent system crashes.


  • Removes junk file
  • Fixes registry errors
  • Backs up files before altering the registry
  • Cross-platform


  • Bundled with another program
  • Developed by Piriform Ltd.
  • Latest version: 5.87.9306
  • License: Free
  • Updated: November 17, 2021
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