A simple google search brought me to this download page
, but it's on another University's site and I haven't tested it out for myself.
What version of windows are you running? If you try to connect to the wireless MacConnect access point, you should get an icon on your taskbar (where your clock is) prompting you to install the agent. But try downloading the agent from the link above and following the steps from this site
when you're at a wireless hot spot. Obviously your login would be your macID username and password