Cannot activate existing license after update

#1

Hello,
I purchased Glasswire in September 2017. Recently I installed the newer version of the software on the same computer and now my 40-digit serial number will not work. I prefer not to pay for the software again since it said it was a “One time fee.” Please explain to me how I can reactivate it.
Joel

#2

@Edwierd

Please email our “activation” email that is listed here so I can help, thanks!
https://www.glasswire.com/contact/