CCleaner Documentation. 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 Rules. This section explains what each option in the Windows and Applications tabs does when CCleaner cleans your system. About CCleaners rules Windows Tab This section of online help explains the check boxes on the Windows tab of CCleaner.

CCleaner Settings. Here you'll find information on how to customize CCleaner to work the way you need it to. Choosing which cookies to keep Changing CCleaner settings Changing the language CCleaner uses Changing advanced settings Cleaning Flash cookies Changing monitoring settings (CCleaner Professional)

Open CCleaner > click Options > About. Double-click on the line of text which says Registered to: [Your Name] When the registration dialog opens, enter your CCleaner Professional or CCleaner Professional Plus registration information from your purchase confirmation email.

Yes. Each link is a short post with other links. I don't want to have to copy/paste all these links into a Word document. I would like to print the complete CCleaner Professional documentation so I can read it as I use CCleaner Professional.

CCleaner Professional is the most powerful version of Piriform's celebrated PC cleaner. It makes it easy to speed up a slow computer by updating out-of-date software drivers and more. Plus you can keep your activity private — automatically and in the background.