As per some of the earlier comments, I also ran into some difficulties and errors while trying to follow this guide - tried on both a Windows 10 and Windows 11 desktop.
After some trial-and-error I finally have steps that result in a fully working development environment under Windows 11, tested on the latest 22H2 build and also on the upcoming 23H2 Release Preview (I assume it will also work on the newest build of Windows 10)
If it’s of use to anybody, I have just posted the guide here:-
Hopefully this helps people like myself who are trying to get Discourse running under Windows 