If you get an error about Shader Model 2.0, download and install the DirectX End-User Runtime Web Installer from Microsoft. This reinstalls the legacy libraries required for the game to recognize modern GPUs.
: For troubleshooting, enable developer controls by finding false in game.xml and changing it to true . This allows the use of the ~ key in-game to set FPS limits or monitor performance. Enhancing Visual Quality farming simulator 2009 download fix high quality