How to Share Internet Connection?

In order to share and internet connection, you would need to setup a LAN, or Local Area Network. The easiest type of LAN to setup would be a wireless network, in which a wireless router is connected directly to the modem connected to the incoming service from the ISP. At that point, any device within range of the router that has wireless capabilities either built in or via a wireless adapter, will be able to connect to the network and access the internet connection.