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. :contentReference[oaicite:8]{index=8}.
- Offline activation key for Windows-based software
- Patch download removing all trial limitations permanently
- License key updater allowing simple migration between computers
