Click on the Free Trial screen and enter your serial number and product key.
In older versions, you could generate a to ask for a manual activation code. Note that this may no longer be processed by Autodesk for the 2016 version: Disable your internet connection and launch 3ds Max. Click Activate on the Trial screen. Enter your Serial Number and the Product Key (128H1) . 3ds Max 2016 Activation Code
As the sun began to peek through the blinds, the first frame appeared on the monitor. The lighting was perfect; the textures looked real enough to touch. The old version of Max had held together, proving that sometimes, the classic tools are the ones that get the job done. Options for Using 3ds Max Click on the Free Trial screen and enter