How do I register my product?

I paid yesterday for the promotion where I purchase 2 years of cCleaner Professional and then get cash back.

I have downloaded and installed the software and now have waited 24 hours.

When I try to fill out the form with the reference # and the code, I get an error stating that the product has not been registered.

How do I register it?

Thank you.

Using the name and licence key in your order confirmation email from Cleverbridge, go to Options > About > Register in CCleaner. There is some more detailed guidance here https://piriform.zendesk.com/hc/en-us/articles/204043844--Problems-activating-or-registering-CCleaner-Professional