I now how you feel, it has taken me a few weeks to work out where ad what to do on the MAC, but finally got it working last night.
I'm sorry if you already know this but, to run a "DOS box" which is what I think pilotbob is suggesting, go to your start button and find the "Run" command/icon/instruction, when it opens, type in either CMD and hit enter, or Command and hit enter. In your case I don't think it will mattter which you use.
At that point one of 2 things will happen.
Either your whole screen goes black with a little white line and C:> appears at the top left or you get a "Dos Box" with the same inside it. (If the screen goes all black it just means your "Dos" is set to run full screen.
Then, navigate to where your script is on your hard drive within the Dos box, by means of the DOS commands.
eg if your script is in a file called "Softwarehack" in your C drive it would be:
"cd softwarehack" & then enter (ignore all quotes)
to check, just type: "dir" & enter & it should display all the files in that folder.
Then try running your script
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