Get the latest installer for our exporters here: https://github.com/BabylonJS/Exporters/releases

Documentation on the 3ds Max exporter is available here: https://doc.babylonjs.com/resources/3dsmax
Documentation for exporting from 3ds Max to glTF is available here: https://doc.babylonjs.com/resources/3dsmax_to_gltf

Documentation on the Maya exporter is available here: https://doc.babylonjs.com/resources/maya
Documentation for exporting from Maya to glTF is available here: https://doc.babylonjs.com/resources/maya_to_gltf

Any questions? Here is our official forum.