Foone🏳️‍⚧️ on Nostr: and this post describes the behind-the-scenes of how I made these. (tl;dr it was ...

and this post describes the behind-the-scenes of how I made these. (tl;dr it was manual screenshots)
https://digipres.club/@foone/116276567994297740

quoting
note1huu…czma

They're mostly screenshots of the original OSes running in emulators. I used Visual Basic 6, Visual Basic.NET, Word Dialog Editor (from Office 4, I think?), and MUSH, the tool for controlling Agent characters like Clippy.

The DOS EDIT one is a lot of careful paint.net manipulation of pixels, combining a few screenshots while respecting the underlying text grid