LAN help requested

I'm having trouble setting up an ethernet, I have two laptop comuters that i would like to network with the help of an older desktop computer that would act as a file server and gateway/firewall to the internet. I understand the theory of how this works pretty well, but in practice i don't get ver

LAN help requested

I'm having trouble setting up an ethernet, I have two laptop comuters that i would like to network with the help of an older desktop computer that would act as a file server and gateway/firewall to the internet. I understand the theory of how this works pretty well, but in practice i don't get ve