[Closed] Release version

In 3ds max SDK 2014, i read about class ViewParams.
bellow is description of distance field.

…
float distance;

This data member is available in release 3.0 and later only.
The distance from the view point to the image (view) plane.
…

What is version 3.0? It’s about 3ds max or SDK?
How i can update current instance to 3.0 version.