CCleaner removes unused and temporary files from your system - allowing it to run faster, more efficiently and giving you more hard disk space. For advanced users, CCleaner also comes with a registry scanner that scans for invalid references.

Cleans the following:

  • Internet Explorer Cache, History, Cookies, Index.dat.
  • Recycle Bin, Temporary files and Log files.
  • Recently opened URLs and files.
  • Third-party application temp files and recent file lists (MRUs).
  • Including: Firefox, Opera, Media Player, eMule, Google Toolbar, Netscape, Office XP, Nero, Adobe Acrobat, WinRAR, WinAce, WinZip and more...
  • Advanced Registry scanner and cleaner to remove unused and old entries.
  • Including File Extensions, ActiveX Controls, ClassIDs, ProgIDs, Uninstallers, Shared DLLs, Fonts, Help Files, Application * * Paths, Icons, Invalid Shortcuts and more... Backup for registry clean.
  • Windows Startup tool.

Duplicate File Finder

You may not realize how many duplicate files are stored on your computer, taking up valuable hard drive space. CCleaner now includes a duplicate file finder tool, which can quickly find these files, and allow you to choose which ones to delete - freeing up more space on your PC than ever before!

System and Browser Monitoring

If you're a CCleaner Professional user, you can now set CCleaner to run every time you shut down your browser, or you can set it to monitor your entire system in the background and detect when to Clean based on disk space that can be saved!

What's New

  • We made minor user experience improvements to Performance Optimizer and Driver Updater.
  • We fixed a bug that was preventing Software Updater from updating Windows Defender for certain users.

Taking the hassle out of PC maintenance

  • We've updated Performance Optimizer to improve stability, especially when multiple users use the computer.
  • We've made some UI, stability, and performance improvements.

Fixing bugs and other improvements

  • We resolved an issue that was preventing some users from activating CCleaner.
  • We also made some minor bug fixes.
  • You can download CCleaner for Android and