Ccleaner is a lightweight Windows utility that optimizes PC performance by removing unnecessary files, cleaning the registry and protecting user privacy. Designed for Windows 10 and compatible with 64-bit systems, it helps reduce disk clutter, improve responsiveness and manage background processes to speed up boot times. Customizable cleaning options let you target browser histories, temporary files and application caches while preserving data you need. The registry cleaner and startup manager reduce slowdowns, and the uninstaller simplifies removing unwanted programs. A portable version is available for technicians who need a convenient on‑the‑go tool for maintenance tasks. Privacy protections clear browsing data and trackers, and detailed logs let you review each cleaning session. Clear instructions and resources explain how to use ccleaner safely on Windows 10, while scheduled cleaning keeps systems lean with minimal effort. This makes it a practical choice for home users and small businesses seeking straightforward system upkeep.




I think CCleaner does a basic job, but it leaves some old files behind. It’s easy to use, but I always feel like something’s not quite right after a clean. Wouldn't recommend as a sole option, but still useful.