My license key for Winclone 6 doesn’t work

My license key for Winclone 6 doesn’t work with my new 2017 iMac w/MacOS High Sierra, it was working on my old Mac, 2012 MacBook Pro & 2010 iMac, but with my new Mac I got this message:
Register Error
Invalid License Key !

Please Advice.

Thanks.

submit a request here:

and we will get it take care of.

tim