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.

Trusted by millions and critically acclaimed, CCleaner is the world’s favorite PC optimization tool! Designed for both beginners and power users, it offers one-click cleaning to instantly...

Dec 8, 2025 · Have you lost your CCleaner Pro product key? Then, no need to worry. You can easily find your CCleaner product key on Windows 11 using the 2 super easy methods.

If you cannot find your license key or confirmation email, contact the PC cleaner's customer support through their website. Provide them with details such as the email address you used …

Paste your activation code into the green box with the Xs. You can paste the code by right clicking into the box and selecting paste. Then, click ‘Activate Now’ at the bottom right of the box to …

Need to find your product license key? Please enter the email address you used when you bought your software. We'll then email you the license key.

If you require technical support, have a question about a product, lost your license key or need a receipt/invoice for your purchase please select suitable section and provide us detailed info …

Boost your PC’s performance with the genuine CCleaner Professional Digital Download Key. This 1-year license for 1 PC is 100% authorized, instantly delivered upon purchase, and backed by …

Where can I find a CCleaner license key for free? You’ll find illegitimate versions of our software (and other pirated software) from a warez site or via BitTorrent. They will come with a fake …