Product keys are essential for installing Autodesk software because they differentiate between standalone products and those sold as part of a suite. For example: Microsol Resources AutoCAD 2018 Point Product: AutoCAD Architecture 2018: AutoCAD Design Suite Premium 2018: Autodesk Community, Autodesk Forums, Autodesk Forum How to find your genuine key:
If you have a valid license, you can find your serial number and product key by signing into your Autodesk Account Product keys are essential for installing Autodesk software