i download a plane for fsx. but i sow only for fs 2004. how to work that plane in fsx?
It may work and may not depending on the tools used for designing.
GMAX designed aircraft seem to work better in FSX than others.
The major problem is that a in a prop driven aircraft the prop will show up like a buzz saw, not clear like a normal prop.
Many of the gauges will be older types too.
Just give it a go - that's the best you can do. Like RadarMan said, some models work better than others.