For freelancers and small businesses making under a certain revenue threshold (usually $100k USD), Autodesk offers a significantly discounted "Indie" subscription.

In the software world, a version typically refers to an application that has been modified to run without a traditional installation process, often from a USB drive. A repack usually refers to a version where the installer has been compressed or modified, often to include cracks or bypass licensing.

Modern versions include the powerful Arnold renderer as the default, replacing older engines.

Vastly improved modeling workflows that didn't exist in 2013.