I was looking for remote access software to help family with their PC and came across RustDesk(https://rustdesk.com/) but it needs a server. Found out it can work without a server if you have Tailscale installed. No fees for any of this and works on many platforms.
Tutorial for Rustdesk + Tailscale setup for remote desktop access: https://www.youtube.com/watch?v=27apZcZrwks