If any of this happens, you can solve the issue quickly via our license lookup system.

Suppose that you lose your CCleaner for Mac registration information (for the new version) or need to check the status of your licenses, expiry dates, or get new download links to install our app on other computers. You may also have problems registering if:

Our keys don't contain the letter i, the number 1 (one), the letter o, or the number 0 (zero).

Piriform releases regular updates for CCleaner with many improvements. It protects your privacy online and makes your computer faster and more secure. If you do type your information by hand, it’s worth noting: Ccleaner Pro Key CCleaner is the number-one tool for cleaning your Windows PC. It’s usually easier to use copy and paste ( Cmd⌘-C, and Cmd⌘-V on a Mac) to enter the details from your purchase confirmation email to help avoid typing errors. In general, registration problems happen because of a small typing error when entering the key. If you get an error saying that your license key is not valid: If you’ve already registered your license in the CCleaner app but need to activate a new replacement license key, please follow the same method above. Open CCleaner > click CCleaner in the Mac OS menu bar > Insert Activation Code (alternatively, you can press Cmd ⌘ + K to bring up the menu).You can register your license into CCleaner for Mac using the following steps: Where do I enter my license key? (CCleaner for Mac): This page explains where you enter your license key into the new CCleaner for Mac app and what to do if you experience an error with your license key.

Ccleaner key