which program to run?
The GL2 will give you better visuals but lower frame rates;
if the frame rate is too low go to GL1
MS windows (untested)
if you have ??? then run
if nothing else works (low quality)
ysflight32_d3d9.exe
older video card
ysflight32_gl1.exe
newer video card
ysflight32_gl2.exe
32bit Linux
older video card nv5200
ysflight32_gl1-beta
newer video card >Fx5200
ysflight32_gl2-beta
64 bit Linux
older card
ysflight64_gl1-beta
newer card or newer laptop
ysflight64_gl2-beta