Alt+Left mouse to orbit, while "pick with left mouse button" is enabled? A tough nut I guess. I am trying to make controls similar to Unity and Substance, but I can't make this happen. I can either have Alt+LMB orbiting OR LMB selection. Is there a way to have both?
Here is a best addon blender sensei download here

In this addon there are much of shortcut and much easy to use.
There are various tutorial in the webpage how to install and use.

Note : In this addon blender will work as a normal but the shortcut and display view change.