IE:
Click Tools menu, Internet Options. Then click the Connections tab, and then click the "LAN Settings" button that is near the bottom. click the check that says "Use a proxy ..." and put in the IP

ort . I'd give you the proxies like IP

ort. (ex. 209.145.34.54:8080 , and you'd just past it in there)
Firefox: tools > options > general > connection settings > click "manual proxy ..." , and fill in the ips and the ports.