CCleaner - Clean, Optimize & Speed Up Your PC

4.93/5 (226 Reviews)

CCleaner is a freeware system optimization, privacy and cleaning tool.

Security And Privacy Network Security Freeware
FREE DOWNLOAD (v26.1)
File Size: 1.66MB | Safe & Verified

Key Features of CCleaner

  • CCleaner is a freeware system optimization, privacy and cleaning tool.
  • It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space.
  • It also cleans traces of your online activities such as your Internet history.
  • Additionally it contains a fully featured registry cleaner.
  • But the best part is that it\'s fast (normally taking less than a second to run) and contains NO Spyware or Adware!

How to clean and speed up your PC with CCleaner

CCleaner makes optimization easy. Follow these steps to reclaim hard drive space and boost privacy:

  1. Run Health Check (Recommended for Beginners)
    Open CCleaner and click the "Health Check" icon on the left sidebar. Click "Start". This automated scan analyzes your PC for junk files, tracking cookies, and startup items that slow you down. Once finished, click "Make it better" to fix everything in one go.
  2. Use Custom Clean (For Power Users)
    If you want more control, click the "Custom Clean" tab. Here you can check or uncheck specific items (like "Chrome History" or "Empty Recycle Bin"). Click "Analyze" to see what will be removed, and then "Run Cleaner" to execute the deletion.
  3. Update Outdated Drivers
    Click the "Driver Updater" tool. CCleaner scans your hardware and identifies outdated graphics, audio, or network drivers. Updating these can fix crashes and improve gaming performance.
  4. Optimize System Performance
    Use the "Performance Optimizer" tool to detect background apps that are draining system resources. Put them into "Sleep Mode" to instantly free up RAM and CPU power for the task you are actually working on.
Pro Tip: Don't forget the "Registry Cleaner" tool on the left. If you uninstall a lot of software, running this can fix broken links that cause error messages. Always select "Yes" when asked to backup the registry before fixing!

Frequently Asked Questions

Yes, but proceed with caution. The Registry Cleaner removes leftover references from uninstalled programs. CCleaner is conservative and safe, but you should always accept the prompt to "Save a backup of the registry changes" just in case you need to revert them later.

No. CCleaner only targets "junk" data like temporary system files, internet cache, and Recycle Bin contents. It does not touch your Documents, Pictures, or Desktop folders unless you explicitly instruct it to include custom folders in the advanced settings.

The Free version includes all the core cleaning tools (Privacy, Disk, and Registry cleaning). The Professional version adds automation (cleaning in the background), the Driver Updater, and automatic software updates for your installed apps.

Yes. By removing gigabytes of temp files, your hard drive has less clutter to index. More importantly, the "Startup Manager" and "Performance Optimizer" tools prevent heavy apps from running in the background when you turn on your PC, which significantly reduces boot times and lag.

Technical Specifications

CCleaner Screenshot

Screenshot of CCleaner - Clean, Optimize & Speed Up Your PC