Tethering is useful for sharing an Internet connection with other devices, such as an iPod Touch, iPad or gaming device. One of tethering's main uses involves the ability to turn a wired Ethernet connection into a Wi-Fi hot spot. There are two basic ways to connect an iPod Touch to a computer using Wi-Fi, either through software or an ad hoc connection.
Click "Start," "Control Panel," "Network and Sharing Center," "Set Up a New Connection or Network" and "Set Up a Wireless Ad Hoc Network." Click "Next" to continue the steps in the wizard. Ad hoc networks establish a temporary connection between your computer and your iPod, but your computer must have a wireless adaptor for this to work.
Install Connectify from Connectify.me to create a Wi-Fi hot spot. You don't need a wireless adaptor, as it can be used with an Ethernet cable, a cable modem or a cellular card, and there is no limit to the number of Wi-Fi-enabled devices that you can connect at one time. Connectify is supported by ads, and includes a set-up wizard for a quick start-up.
Download Virtual Router from virtualrouter.codeplex.com. This is an open-source program that lets you share any type of Internet connection with any Wi-Fi device. Virtual Router becomes an access point, and offers WPA2 security to prevent unauthorised access. Once you set it up, type a name for your virtual network and a password that contains at least eight characters.