Steam Edition Mods Extra Quality — Microsoft Flight Simulator X

FSX default runs on DirectX 9. The Steam Edition allows DX10 preview, but it's broken by default. ($10 USD) converts your sim to true DX10, eliminating the dreaded "OOM" (Out Of Memory) errors and dramatically increasing framerates (FPS). If you have a modern GPU, this is non-negotiable.

Do you have a favorite FSX mod we missed? Let us know in the comments below. And remember: In FSX, if the landing gear is down and the prop is spinning, it’s a good landing. microsoft flight simulator x steam edition mods