The 2021 versions of these products often come with enhanced features, improved performance, and new functionalities that cater to the evolving needs of their users. For example:
Historically, Autodesk utilized a local offline activation system based on a challenge-response mechanism. When installing an application, the software generated a unique "Request Code" derived from the computer’s hardware signature. Legitimate users sent this code to Autodesk to receive an "Activation Code".
AutoCAD and 3ds Max offer highly discounted "Indie" sub-tiers for professionals making below a specific annual revenue threshold.