About this release
CCleaner is a maintenance utility that sweeps up the temporary files, caches and browser leftovers that pile up on a Windows machine over time. The professional edition adds the automatic cleaning that runs the sweep on a schedule or when a browser closes, so the machine stays tidy without you remembering to run it. For a machine that fills its system drive with cache, it reclaims real space with one click.
The cleaner is the headline but the maintenance side is where it earns a permanent place. The startup manager shows everything that launches with Windows and lets you disable the entries that only slow the boot, the browser plugin view does the same for extensions, and the uninstall list is faster to work through than the system one. A duplicate finder and a disk analyser help track down where the space actually went.
The registry cleaner is the part to treat with respect, and the tool does back up before it changes anything so a bad clean is reversible. Used sensibly it clears the orphaned entries left by uninstalled software. The wider point of the application is routine hygiene, clearing the clutter that accumulates, keeping the boot lean, and giving a plain view of what a machine is actually running.
What it does
- Cleanup of temporary files, caches and browser leftovers
- Automatic cleaning on a schedule or when a browser closes
- Startup manager for what launches with Windows
- Browser extension view for disabling unwanted plugins
- Faster uninstall list than the system one
- Registry cleaner with an automatic backup before changes
- Duplicate file finder
- Disk analyser showing where space has gone
- Secure wipe of free space for deleted file cleanup
- Forty interface languages
Changes in this version
- Updated cleaning rules for current browser versions
- Improved startup manager detection of scheduled task entries
- Reworked disk analyser with clearer category breakdown
- Better handling of very large browser caches
- Reduced background footprint of the automatic cleaning service
What the package contains
- CCleaner Professional installer for both architectures
- All forty interface languages
- Default cleaning profiles
- Configuration notes for the automatic cleaning schedule
- Readme with the install order written out step by step
Installation notes
Follow these in order. Most reports of a failed install come from skipping a step rather than from the package itself.
- Disconnect from the network before you start.
- Turn off real time protection for the duration.
- Extract the archive and run the installer as administrator.
- Decline any bundled extra offered during setup, take the base install only.
- Apply the included activation step before launching.
- Launch once, confirm the professional features are present, then reconnect.
System requirements
| Operating system | Windows 7 or newer, 32-bit or 64-bit |
| Processor | Any 1 GHz or faster processor |
| Memory | 512 MB minimum |
| Graphics | No requirement |
| Storage | 150 MB free |
| Display | 1024 by 768 minimum |
Things worth knowing
- Leave the registry cleaner on its default conservative settings, it backs up first but aggressive registry cleaning gains little.
- Turn off automatic update checks so the activation state is not disturbed by a future update.
- Review the startup list before disabling entries, some are needed by hardware or security software.
Questions about this title
Will cleaning delete anything I need?
Is the registry cleaner safe?
What does the professional edition add?
Should I turn off auto update?
What people are saying
Reclaimed a surprising amount off a system drive clogged with browser cache. Automatic clean keeps it that way now.
Startup manager showed me three things slowing the boot that I had no memory of installing. Gone.
Left the registry side on defaults like the notes say. Does its job, backs up first, no drama.
Listing information
This entry is catalogued under Utilities & Tools and carries the tags below. Language coverage is Multilingual, 40 interface languages, and the supported platform list is Windows 7, Windows 8.1, Windows 10, Windows 11. Version 6.41.11567 is the current catalogued build, last checked 4 days ago, and the entry has been in the index since it was added 3 years ago.