Modern versions, such as the kn5conv x64 at OverTake.gg, are recompiled for 64-bit systems to prevent crashes when handling very large track or car models. How to Use kn5conv.exe
Converts models into .obj (Wavefront) and .fbx (Autodesk) files. kn5conv.exe
The tool is designed for simplicity through a "drag-and-drop" interface: Modern versions, such as the kn5conv x64 at OverTake
Drag your target .kn5 file (typically found in content/cars or content/tracks ) directly onto the kn5conv.exe icon. kn5conv.exe