You need a network card and cat 5 cable and a ftp server to share files
Ethernet splitters are great if you want two people to connect to the same Ethernet port. Home networks should be as long as all the computers in the network are hooked up to the internet, not necessarily the same port.
plug in your ethernet cable, or connect to the internet in any other way, then you should be able to connect by opening the steam application.
To connect a computer to other computers (i.e. to a network) you need a network adapter, also called a Network Interface Card. This adapter should be suitable for a network which you want to connect to. Wireless adapters are for wireless networks, wired adapters are for wired networks.A network connection.if its file sharing a local network over your lan, or if its a game, social networking site on the internet its the internet.A network card connnects to a router (wireless or LAN) the the router connects to other computers or a modem (intranet-telephone interface)
A network interface card is required to connect a computer to a computer network via Wi-Fi, Ethernet, etc. A NIC should be included in most new computers. Each NIC has a unique serial number, and helps with data transfer.
Every computer that is connected to a local area network or LAN should have an Ethernet card. For wireless networks, computers should have a wireless adapter.
You can use an ethernet cable and connect your laptop to your xbox, then in Network and Sharing Center press change adapter it should bring up your ethernet wifi card ect right click on your wifi (probably called Wireless internet Connection. In the right click menu press properties. There should be two tabs at the top of the window that comes up Network | Sharing, click on the Sharing tab. Check the Allow other network users to connect through this computers internet connection. Use the drop down menu and select your ethernet port. This instruction was for a win7 laptop, XP and below should be similar.Good LuckAlso this is called Adhoc internet, because it has to connect to your computer, and through that your router.
To connect a Cat 5 cable to your network device, simply plug one end of the cable into the Ethernet port on your device and the other end into an available Ethernet port on your router or switch. Make sure the connections are secure and you should be able to establish a wired network connection.
To do that, an additional device is required, a network hub or a network switch, which all computers in the network segment should have to be connected to.
It shouldn't matter which port you use unless it involves a network switch.
To connect to the office wired LAN, the user will need a USB to Ethernet adapter. This device allows the user to plug into the Ethernet network via a standard USB port, providing a reliable internet connection. Make sure to install any necessary drivers for the adapter to function properly. Once connected, the user should be able to access the network seamlessly.
To share data using Ethernet, you need to connect the devices you wish to share data between to the same Ethernet network. Once connected, you can transfer data between devices by using network protocols such as TCP/IP. Sharing data over Ethernet can be done via file sharing, network drives, or direct communication between devices on the network.
Go to your setting menu and then to network connections after it determines there is no ethernet connection it will search for the wireless connections. The related link should also be some help