I love FMS a lot. It really helped me prepare for real flying. But I have upgraded to XP, and I can't play FMS anymore. When I try, the model doesn't load for a long time, if at all. And when I try to fly it, the frame rate is the worst I've ever seen. It is about 1 frame per minute. So my suggestion to the makers of FMS is to make an XP compatible version.
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