Problems instaling Skatter

I want to try skatter demo because I didn’t know it. I started the instalation and had a problem. Then I’m trying again and appears “You have already tried demo”. I can’t buy it if I don’t know it. And one more question: does it word with Sketchup 2018 / 2019??

Hi,

Please go to the Options tab, click on “Offline activation” and send me your Request Code