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1. Right-click any .ss file and select "Properties".\
2. Switch to the "Open With" tab.  If DrRacket already appears as a choice, be sure that it is selected,  otherwise
   1. Click the "Add" button.
   2. In the dialog box that appears, scroll down and select "DrRacket" and click "Add".
   3. DrRacket should now appear on the list of available programs. Be sure that the radio button for DrRcket is selected.
3. Click "Close".
4. Double-clicking the file will now open it with DrRacket.   You will need to run it once to get the Interactions window to appear or click "Show Interactions Window" from the "View" menu.

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