...
When the Environment is selected in the Scene Tree, the Attributes Panel displays the environment lighting options available on Maxwell (Constant Dome, Physical Sky, Image Based Lighting). For an in depth description of the environment lighting options, please see the Environment Lighting chapter.
The
...
Attributes Editor displaying the Environment settings with the Physical Sky lighting option selected
In addition to all the functionalities described on the Environment Lighting chapter, the Environment panel in Studio also some particular features only available in Studio.
...
The limitations of the demo version include limited resolution and a red watermark in the generated HDRI map, and once you create your IBL environment for Fire, it is always converted to a white dome when the scene is launched in Maxwell Render.
By purchasing the full version you will disable these limitations, and be able to create full resolution HDRI maps and store them to disk to be used in your renders.
Check this section to find some videotutorials about how to use HDR Light Studio within Studio.
...