You can still access the Help for Autodesk® Robot™ Structural Analysis Professional 2015 when you aren't online.
Just download the Offline Help from here and install it on your computer.
The next time you’ll try to open the help while offline, the software will find the help file automatically.
If you find your post answered press the Accept as Solution button please. This will help other users to find solutions much faster. Thank you.
Artur Kosakowski