Help with windows

OK so you have already esplained how to install, configure and connect this great idea to a mac, but i have a lot of doubts about how do you do on windows XP and vista, i really cannot configure a network and connect my iTouch and i have problems installing

the iTouchMidi Win because when i launch it, apprears a message that says that dnssd.dll couldn`t be found
can you help me please?