PyCrust: What am I suppose to do?

[It's me]

I am trying out PyCrust and at a lost what to do next.  With the previous
IDE I tried, the IDE pops up the console and the editor.  From the editor, I
can set up breakpoints and debug and so forth.  Yes, I can even run the
script.

With PyCrust, the nice looking 3-pane window pops up with lots of tabs...a
prompt...and then???   Where is the file I am trying to run?  Even the File
options are all greyed out...

<scratching head....>