Plugging it into electricity is normally sufficient but your ISP will need to recognise you so your login and password details have to be input along with some other details the ISP or its website can give you. You need to cable a computer to the router and interface with it through Internet Explorer. You'll find details of how to connect in post number 3 in this thread http://www.tomshardware.co.uk/forum/28102-18-suppoort-setupwirless but the other detail has to come from you.