The *.fwd file is the compiled ProTool project. It is created in ProTool CS using File -> Compile.
If you are trying to run ProTool RT on your PC, you can start ProTool RT from inside ProTool CS (File -> Start Runtime) if you are just testing it. But if you are trying to get it to start on a stand alone system you will need to have your *.fwd file on that PC also. Search the ProTool CS help files for fwd for detailed instructions on loading and starting the ProTool application.