CCleaner is a system optimization tool that removes junk files, fixes registry issues, and manages startup items. Cleans cache, temp files, browser history, restore points, duplicates, and more. Includes registry cleaner, uninstaller, and free space eraser. Ideal for users looking to optimize system performance. Had a past malware incident, but current versions are considered secure if kept updated.
- Keygen supporting serial generation for professional editions
- License key switcher for multi-environment usage
- Silent activation patch that works without any user input