There will be instructions with it, basically, there's a network cable that comes out of your modem into your pc, simply unplug theat and plug it into the router on the "broadband/internet" port, then, plug a new bit of network cable into the network card on the machine (where the cable from the modem was) and plug the other end into a free port on the router. Should have internet access. Then, open internet explorer and type in http://192.168.1.1 (or different according to the manual) and there you access the router and set it up for the wireless network