The MotionBuilder 2013 SDK Help encompasses the MotionBuilder SDK Programmer's Guide, the C++ Reference, and the Python Reference.
The MotionBuilder SDK Help is not included with the software installation. Instead, MotionBuilder calls the Help from a web location.
We encourage you to consult regularly the http://www.autodesk.com/motionbuilder-sdkdoc-2013-enu on the website to get the latest updates.
To access the MotionBuilder SDK Help via the MotionBuilder software:
To access the MotionBuilder SDK Help via the web:
To download the MotionBuilder SDK Help on your system and access the Help: