It should be straightforward. It is advisable to connect the laptops first by ethernet. When a connection has been established. Disconnect this, right click on the network icon in the system tray, bottom right of screen, there should be a list of available networks to join, click on the one you want, connect, you will then have to add the router password.
LG G6 review: Hands-on with LG’s bold, big-screen shot at perfection