simply as there isn't any
HOW TO USE THE KEY Paste it on your Newsletter » Settings » License Key field.
I simply cant find the "license Key" field
the support ticket doesn't help either as it always says ..
Q: how to activate license ?
A: Sorry, I've not found an answer to "how to activate license ?",
it feels like run around ion circles ... I already tried to refund my purchase and to stop work with "the newsletter" but, cant make it happen either
kind of strange