I have 3 user NIS 2010 and willing to use download NIS 2011 and put the code in to use 2011 but I want to make sure one thing before I do so. Since this is 3 users, if I register all 3 computers let's say, A, B & C but later, I want to move 1 license that is already registered on computer A and move to computer D which I own. How do I do it? Is it possible? I need a guarantee answer please.