all credits to "c7111981" LAVteam 


Turn off Internet First. [Important].
Run the setup as Administrator.
Use the Serial Key from the the other File.
After Installation choose License as Standalone License.
After the Autodesk Licensing window is displayed, click Activate, and then click Activate, and then click the activation code and use the offline method. 
Continue and restart the application. 
Copy the Keymaker file to installation directory  and Run the Keymaker file as Administrator and click on Patch. 
Then enter the serial number in the Request Code field in the corresponding location in Keygen and click Generate. 
In the license window, select I have an activation code from Autodesk and paste the code in the Activation section by clicking on Section 1, 
Paste and OK. 
If you receive an error message, click Patch again.
After all above steps, Turn Internet Back Again.


