"You have to read the licence agreements of Vue d'Esprit (see Userguide) or any other software." Except nobody does. And while its marginally possible that the laws in your country may allow so called "license agreements" to be valid, they are not in my country. This is not my opinion, this is straight from laywers; if you sit down and negotiate some sort of agreement its binding, but having a you must click here button, is not legally binding its just nonsense. "You cannot sell a sofware where you 'lost' the handbook. That's illegal, whatever you may think." What I think, is that I will believe the words of Laywers, not some random artist - be she ever so gifted. You live in france? It is of course possible that this wonderful Union of ours will eventually dictate that your nonsense become forced on us a sad day indeed. And dont overlook the fact that its this kind of sick immorality that causes some people not to want to buy programs. Most people have a healthy loathing towards notion of having to pay a lot of money and still being told that they dont really own anything, theyve only gotten a license. Anyway, this is wildly off-topic, and I expect youll just repeat what you have said. So Ill just end it here. (You can have the last word)