I've finalized the #oldcomputerchallenge write-up and updated the post.
https://www.talibov.xyz/posts/occ2025/
Key learning from the exercise:
1. That the modern web is the biggest constrain is not a meme
2. More power to Emacs, it's very transferable
3. I still don't know how do I get to South America once the internment starts.