Before we dive into the activation process, make sure you have the following:

Choose the option that says "I have an activation code from Autodesk" .

After entering your activation code, follow the on-screen prompts to complete the activation process. You may be asked to:

: Provide your Serial Number and Product Key (e.g., for AutoCAD 2016, the product key is typically 001H1 ) and click Next .

I have an unused activation code for Autodesk 2016 that came with a student license. Since I no longer need it, I’m happy to pass it along to someone who still uses 2016. First person to reply with the product name (must be 2016) gets it. Please only use if you have a genuine license entitlement.

: If you receive a message saying your serial number is invalid, ensure you are using the correct one from your Autodesk Account under the "Products and Services" tab.

Are you receiving a specific (like 0015.111) when trying to enter your code? Autocad License activation code - Forums, Autodesk

: On the "Free Trial" or "Product License Activation" screen, click the Activate button.