Well look, more or less do the following, and see what happens. I have youtube channel tutos whether if you could not run a hurry you a tuto, now that I do not go home and tomorrow I exams whether it would be tomorrow afternoon video.
For now you can try to connect the two PCs to the router by independent, different ethernet cables to different ports RJ-45. Thus go through separate and later, if that works, talk about sharing resources.
At first that really cost us a little, but I assure you we will have a great time with hehe networks. A brother hug, and you tell me.