In your case, it would be: "C:\Program Files\Wizard Works\911: First Responders\911fr.exe" -editor I'm not sure if it's correct, but I'm sure you can figure out the rest yourself. Edit: Or even better, don't replace the whole address, just replace the "-game" with "-editor". From what it seems, he already did. 911: First Responders can be bought online, on the Atari website.