Making a Python program into an executable file

[Brian Wagstaff via Python-list]

Dear Python team,
I am trying to find out how to make my Python programs into executable files 
(.exe, I presume) using Pyinstaller. I searched on line for how to do this (the 
document I came across is headed Data to Fish), and it seemed that Step 1 was 
to download the most recent version of Python and click the Add Python to Path 
option. I tried to do this, but was given the option to Upgrade Python, and 
once I did this the Add Python to Path option seemed not to be available. Can 
you advise me what to do?
Best wishes,
Brian
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