Activation is the process of verifying the serial number and product key of an Autodesk product, and licensing it to run on a specific computer. This process occurs the first time the product is started.
Activation cannot occur if the serial number and product key combination is invalid, or if the computer is disconnected from the Internet. In such cases, contact Autodesk to resolve the situation. While disconnected from the Internet, you can run the product in Trial mode for an extended period, usually 30 days, and follow instructions for offline activation. This process usually involves four steps:
If you upgrade your product from an earlier version, you may need to provide your old serial number. For more information on activation, go to Autodesk Licensing and select the FAQ link.