1. System Requirements
LWCAD 5.x - 2020.x:
Windows with installed LightWave 9.6 64-bit or higher.
Mac OSX with installed LightWave 10 64-bit or higher.
NURBS surfaces visibility in Layout:
Windows or Mac OSX with installed LightWave 2015.3 64-bit or higher.
If you have an older LightWave license, NURBS are fully supported in the Modeler, but are not visible in Layout. You must to freeze them to polygons in Modeler before rendering in Layout!