1. Why is CCleaner so great?
It's fast and portable! And also
because it's made by Piriform.
2. What are the system requirements?
Click here to view
3. Where do I download it from?
Click here to download now
4. Does CCleaner support Windows 8?
Yes, CCleaner now has full Windows 8
Introducing CCleaner - Learn about the basics of CCleaner, what it can do for you.
Using CCleaner - Find out how to run every aspect of CCleaner.
CCleaner Rules - Explore what each CCleaner setting does and how you can customize it to fit your needs.
CCleaner Settings - Learn about CCleaner's other options.
CCleaner How Tos - Discover how to run CCleaner from a USB drive, or how to use it to list installed programs.
Troubleshooting - If you're having a problem installing or running CCleaner, this is the place to go.
Advanced Usage - If you're an advanced user, here you'll find information on manipulating CCleaner with command-line parameters and INI files.