3DS MAX – Micro Reference Manual – Rendering – Add BG Image

RENDER

Main Top Menu>Rendering>Environment>Common Parameters>Background>Environment Map:’you can choose a BG image’
Main Tolbar>Render Setup>Environment>Common Parameters>Background>Environment Map:’you can choose a BG image’

VIEWPORT

Top Left Viewport Corner> Perspective> check Show Safe Frames (SHIFT+F)

Top Left Viewport Corner> Realistic> Viewport Background> check Show Background
Top Left Viewport Corner> Realistic> Viewport Background> View Port Background… (ALT+B)> Background Source> check Use Environment Background