Unfancy replacement for Archer C7

[dnd]

If your parents don't need many LAN port, the GL inet GL-MT3000 could be a candidate.
Super easy installation using the built-in recovery Web UI.
It’s on discount right now in their official EU store and delivering from Germany.
And good reviews here on the forum.

This topic might be helpful:

Best "newcomer routers" - 2024

I am looking for a router that I can recommend to people who want to try OpenWrt. They hear us say, "OpenWrt is the greatest. Just install it!" They are intrigued, but not yet convinced. They want an inexpensive, no-hassle, can't fail device for their first foray into Open Source software. Critical characteristics below. (NB These have been somewhat edited from the original criteria, but retain the same spirit.) Supports official STABLE OpenWrt 23.05.x. No snapshot builds Clear one-step instal…

You can also check Cudy WR3000:
https://openwrt.org/toh/cudy/wr3000_v1
It seems to have a web UI based installation.
2 stepped though.