Entering an incorrect product key will result in activation errors for that product.
![3ds max 2015 sp3 3ds max 2015 sp3](https://nvidiamentalray.files.wordpress.com/2014/05/3ds-max-2015-mental-ray-placeholder.jpg)
Note: Please ensure you are using the correct product key for the Autodesk product and version you are installing. With the recent release of Autodesk 2015 products, we bring you a new list of products keys.
![3ds max 2015 sp3 3ds max 2015 sp3](https://cadsell.com/images/autodesk-3ds-max-2016.jpg)
Product keys are required for installation of Autodesk products and are used to differentiate products that are both sold independently and as part of a product suite.