LOL this reminds me of this comic

Calm down, satan.

You can use windows 7 or windows AME but not sure it’s a good idea tho. What’s wrong with using Linux?

Any way to use other firmware? My shitty ISP is giving private IP address, so I just use tailscale instead.

I used my wife’s old laptop (a slow N3540) for samba, pihole, and qbittorrent server for a couple of years until recently I replaced with a used HP PC.