Bump & Displacement Mapping
This is the goal . . .
Download the zipped folder
Unzip the file . . . 'Extract All'
Create 5 spheres witth AIStandardSurface Material and image based lighting.
Add Image based lighting.
Make sure you hide it in the render view. Visibility = 0
IBL files are here:
https://drive.google.com/drive/folders/1aMHyseCo_dSrRnVumJmoDbJGOuemeiig
Bump Mapping
To assign a bump map, scroll down in the AiStandardSurface material attributes to the Geometry tab and click the checkerboard tab to load the texture.
If you want to change the the Bump strength . . .
Click the output of Bump Mapping . . .
Click the Outputs of the file . . .
Change the strength here . . . Bump Depth
Displacement Mapping
Click the outputs of the material . . .
Click the checkboard next to the Displacement Mat. and choose File . . .
Navigate to the Displacement image . . .
Change the Displacement Scale to 0.25 . . .
Now render
This is the goal . . . You should have 5 spheres shown below.