I have realized that not a lot of people use HDRI Lighting. I had to make this for my Texturing & Lighting class.
It is a video of how to install sIBL Helper Script into Maya. Also shows where to get sIBL GUI 4 open source software. Check it out! I have one coming out for Lightwave as well.

https://gdebello3d.com/sibl-install-videos/

Glen