I Have An Activation Code From Autodesk 2015 [hot]

"Handling an Autodesk 2015 Activation Code – Installation, Common Errors, and Current Limitations"

OR

Autodesk 2015 used a "Perpetual License" model, which differs significantly from today's subscription-based "Sign In" method. i have an activation code from autodesk 2015

Tell me when you enter the activation code — for example: "Handling an Autodesk 2015 Activation Code – Installation,