If you upgrade CCleaner Free to CCleaner Professional, you need to go to Options > About > Upgrade to Pro, and it should look something like this: If the registration box does not appear and you cannot find where to enter your license information, go to Options > About in CCleaner and click Register or License Information to enter your information.įor example, if you enter a new license key into a copy of CCleaner Professional that's already been registered, you see your old license information in the License Information screen, which you can update by clicking on the Register New Key link. If you installed CCleaner Professional from one of the links above, or the download link in your order confirmation email, it should pop up with a registration box inviting you to enter your details. Where do I enter my license key? (CCleaner for Windows): If you do not have either of these and cannot locate your registration information, you can get it instantly using our license lookup system. You should have received this in your order confirmation email from Cleverbridge after you purchased, or in a registration reminder email from us. You also need your registration information: your name and your license key. How do I download CCleaner? If you are having difficulty downloading CCleaner for Mac: If you are having difficulty downloading CCleaner for Windows: Helpful links: If you do not have CCleaner on your computer yet:ĭownload CCleaner Professional for Windowsĭownload CCleaner Professional for Mac. After you have registered CCleaner and restarted, it should automatically update to the latest version. If you are already using CCleaner 5.46 or higher for Windows (or CCleaner 1.16 or higher for Mac), you do not need to download it again. What do I need to have to register?ĬCleaner needs to be installed on your computer while you're connected to the internet. You may also have received a courtesy email from us to remind you that the license key you have purchased has not been activated yet. If you recently purchased CCleaner Professional and your copy of CCleaner is still showing as "free" or "unregistered" (or you are still receiving notifications that you have expired), then you need to register CCleaner with the information from your Cleverbridge order confirmation email. To use the paid features of CCleaner Professional, such as the full version of Health Check, you must have it registered with a valid, active license key. Do I need to register my CCleaner Professional? It also includes solutions to problems that you could encounter when registering. This page explains how to register your copy of CCleaner Professional, CCleaner Professional Plus, or CCleaner Professional for Mac.