OKAY. Windows 10 EOL is right around the corner in ~2 weeks.
Because I've had to put out multiple all-caps panic attack fires within my own friend circle over this bullshit, I just spent my Monday night after work writing an article outlining a few paths forward post 10-pocalypse that anyone wondering what to do can do.
The first thing you need to do is this:
Don't panic.
Update: Made edits to add new info & make corrections. Check commit history to see what's what.