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.
- License key updater allowing simple migration between computers
- Activation patcher supporting silent installation
- Portable activator usable from USB flash drives
- Offline license patcher providing secure activation
- License bypass tool for trial-to-full conversion