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  1. CCleaner Free | Try the world’s most trusted PC cleaner, free!

  2. Download CCleaner | Clean, optimize & tune up your PC, free!

  3. 10 Best Free PC Optimization Software for Windows 11/10 PC

  4. Speed up, optimize and clean your PC for free | CCleaner for PC

  5. The 6 Best Free PC Cleaners for Your Computer in 2024 - AVG

  6. Best free PC optimizer of 2024 - TechRadar

  7. 10 Best Free PC Cleaners to Clean up and Speed up Your Computer

  8. 7 Best Free Tune-Up Utilities for Windows - Help Desk Geek

  9. Top Free Software Picks: System Maintenance Utilities

  10. A Free PC Cleaner? Is There Such a Thing? - Lifewire