[issue33877] doc Mention Windows along UNIX for script running instructions

[Ned Deily]

Change by Ned Deily <nad at python.org>:


----------
components: +Windows
nosy: +paul.moore, steve.dower, tim.golden, zach.ware

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33877>
_______________________________________