This document is v. useful for Windows Python users:
https://docs.python.org/dev/using/windows.html

However, I think it could be improved as follows:

(1) Explain which Python installer to get (since there are so many)! Even a "get the Windows x86 executable installer if you just want it now!". Alternatively, the https://www.python.org/downloads/windows/ page could begine with a brief explanation of the differences.

(2) Explain the trade-offs between Admin & User install & the effect this has on using pip (e.g., an Admin install may require pip to be used in an Admin console or to be used with the --user option).