No launcher is required. The command-line is simply: zsnesw.exe "[ROMPATH]\[ROMFILE]" Have you not setup any emulators before? If not then using any of config programs, just point the path to your roms and GameEx will generate a list. Also just setup the working path of the emulator and for the command-line, enter in the suggested code from above. If you need further assistance then let us know. Let us know where you're stuck or having issues.