I bought the powertools for my computer and then i installed it on my son's 2 computers.My computer the main one i could update from the main page of PT'S but i couldn't do this with my son's computers,I had to go to Macecraft.com and download it from there.I did get all 3 updated is this the correct way to do this?By the way this is the first time i updated this program so please be patient with a newbie!