My main computer is connected through a router that is connected to a cable modem, the cable modem is also connected to a switch that connects to a second router that connects to the other ...

It provides a “PC-to-PC” transfer mode, allowing users to batch-transfer files from PC to PC directly as long as both computers are connected to the same wireless network.

Now Valve has introduced a new Local Network Game Transfer feature that lets you copy games from one PC to another over a local network.