The workflow relies heavily on the Subdivision Surface modifier. You will learn how to model a "low-resolution" cage that smooths into a high-resolution character. This involves mastering techniques like:
: Master the Multiresolution Modifier to add intricate details and clothing to your character. CG Cookie - Introduction to Character Modeling in Blender
Q: What version of Blender should I use? A: We recommend using the latest version of Blender. The workflow relies heavily on the Subdivision Surface