I am just wondering why nobody from Artrage / Ambient Design has replied to these queries ! I too hate to buy through Windows Store - I bought it anyway. I am happy that I bought it because Vitae is wonderful. But I too have the same question. Where is it installed? I am a person with the philosophy that computers must be our slaves, not vice versa. Not even knowing where it got installed is too annoying. And, not having a offline installation file on my external hard disk is also very annoying. Sorry for my ranting.