Or maybe not. We might have someone trying to connect a laptop to a wireless router for the first time.
If you already have your PC connected to the wireless router you can type in - 192.168.1.1 - into a web browser address bar and get to the wireless router setup.
Go to the Wireless setup tab and look for the key there.
On a LinkSys router it would look like this:http://img393.imageshack.us/img393/3949/ss034.th.jpg