CCleaner is a popular free utility software that helps to clean and optimize your Windows 10 computer. It was developed by Piriform Ltd and acquired by Avast in 2018. CCleaner is designed to remove unnecessary files, registry entries, and other data that can slow down your computer.

While often debated, CCleaner’s Registry Cleaner is one of the safest on the market. It identifies broken links and unused entries left behind by uninstalled software. It always prompts you to back up your registry before cleaning, which is a vital safety step. How to Install and Use CCleaner Free Safely

This is the "one-click" solution for users who want results without digging into menus. Health Check analyzes your PC and recommends quick fixes for privacy (trackers) and space (junk files). 2. Custom Clean