It helps optimize system performance by cleaning junk files, fixing registry issues, and managing startup items. Removes unnecessary files like cache, temporary files, browser history, restore points, and duplicate files. Includes tools for cleaning the registry, uninstalling programs, and erasing free space on the drive. Ideal for users aiming to boost system performance by cleaning up unnecessary files and fixing issues. Despite previous malware issues, the current version of CCleaner is secure when kept up-to-date.