I found a lot of information about the Jailbreak of iOS version 4.3.3 & 4.3.2
I would like to take this time to say that you jailbreak at your own risk, and that I cannot be held accountable if anything goes wrong.
Here you are a video tutorial from youtube
And here you are two interesting sites
Redsn0w 0.9.6Rc12 For Windows & Mac
You can now unlock any iPhone with this program. —http://www.jailbreakunlock.org/amember/go.php?r=1559&i=l0