CCleaner professional reinstall, problem, lost 12 months of subscription

Had to reinstalled window 10 and clean hard drive

Re installed CCleaner Pro after Hard drive problems when I used by existing 2 year Licence Key I lost 12 months off my subscription.

How do I retrieve the lost 12 months?

Ron

For these issues you're better off served emailing support at support@ccleaner.com they can help with license problems.