If you are totally new to wireguard setup, I found that reviewing all of these links gave me a better understanding of how the configuration setup worked. No one site seemed to cover it all, and each on had some good tips or explanation about a certain part of wireguard.

golb.hplar.ch/2019/07/wireguard-windows.html

emanuelduss.ch/…/wireguard-vpn-road-warrior-setup…

docs.sweeting.me/s/wireguard#

This Stavros one has the post-up/down IP table modifications for forwarding traffic and your wg device masquerading as any device on the LAN

www.stavros.io/posts/how-to-configure-wireguard/

www.linode.com/…/set-up-wireguard-vpn-on-ubuntu/