How to hack a wifi connection using windows vista?

I'm using a lenovo notebook and running on windows vista. How to hack a wifi connection? Is there any all in one software that can do all the work?How to hack a wifi connection using windows vista?
If theres some easy cheesy wifi hacking software for windows, I wanna know about it. Not to use it to hack peoples networks of course. That would be illegal.How to hack a wifi connection using windows vista?
airsnort








http://www.beyondweblogs.com/post/using-鈥?/a>





aircrack-ng





http://www.aircrack-ng.org/





they should both work in vista and they can crack WEP