How to download and install Inventor
AutoCAD is licensed free of charge for qualified students and teachers, with an 18-month renewable license. You may register and downlaod AutoCAD by following this link.
Getting started with Inventor
Inventor Guide describes some of the basic tools and concepts of Inventor by walking you through how to model a simple deck panel structure. The tutorial do also explain how to prepare the model for finite element preprocessing in ANSYS.