I just bought it on spec. The terms claim you can install it on 10 machines! $1/box is pretty cost effective.
I've paid for xming a couple times in the last few years. Doesn't quite cut it with certain applications; various show stopper glitches. Really would like to solve the X Windows on Windows problem once and for all.
There are other posts speculating on the code base; isn't this just X.Org for Windows repackaged? Yes, it is based on X.Org. The publisher explains it on the site; it's X.Org with pre-Window 10 support removed and otherwise optimized and enhanced.
I don't think your father need any help. You will just waste your time trying and there won't be any benefit for him.
He is an adult. I assume, because he is a IT professional he has a good education.
I bet he knows that there are countries where he can get a better pay job. But for his own reasons, he has decided not to pursue this endeavor. I bet he made a choice of staying where he is now consciously. Maybe it's not his cup of tea moving between countries.
Of course no harm talking to him and reiterating the above. But I bet he knows and made up his mind already.
