3ds Max Global Illumination w/o Mental Ray Required!Well first of all you need your scene, obvious.

1.) Create -> Lights -> Standard Lights -> Skylight
Note:That be sure to only place one the scene or it will take longer to render with no difference in results of the image

2.) Press '8' on your keyboard -> Go down to Exposure Control -> Select Automatic Exposure Control

3.) Press '9' on your keyboard -> Select Advanced Lighting -> Select Light Tracer

After that You may render your scene with a more Realistic Look!
Before:

After:
