There is no one go-to resource for learning how to use specific software packages. Tutorials and instructional videos tend to be spread out and written by different authors. You'll simply have to search.
For example: https://www.google.com/search?q=3d+max+beginner+tutorials
Additionally, keep in mind that this is a web development forum, not a 3D modeling forum, so don't expect too many responses for this topic here. It simply isn't the right audience.