Had to reset computer. Ccleaner installed free version. I have five months left on my professional plus but I do not know my key code. Please help

Had to reset computer. Ccleaner installed free version. I have five months left on my professional plus but I do not know my key code. Please help

https://www.ccleaner.com/support/license-lookup

or here

https://www.cleverbridge.com/?scope=cusecolp