For students and Staff, Autodesk offers a free educational version that runs on up to two personal devices for 3 years. Here's how you can access the free educational version of AutoCAD. Go to the Autodesk Education Community. Choose AutoCAD from the list of software.
@Anonymous EDU licenses for students are 1-year now, that changed last year, and each person applying needs to go through a validation process with "school" documents etc.
