Launch Inventor 2015 and select "Activate" on the free trial screen.
Before you can generate an activation code, you must find the specific identifiers for your 2015 license: Serial Number: Found in your Autodesk Account Products and Services autodesk inventor 2015 activation code
Autodesk servers no longer generate new activation codes for the 2015 release. Launch Inventor 2015 and select "Activate" on the
Once you have the Request Code, you can get the final Activation Code through these official channels: Online Portal: Autodesk Product Registration and Activation : Inventor 2015 is considered "retired," meaning it
: On the "Let’s Get Started" screen, select Enter a Serial Number .
: Inventor 2015 is considered "retired," meaning it is no longer available for download from the official Autodesk Account portal for new or student users.
This method is for computers using a valid perpetual license.