According to MuscleNerd, all would-be jailbreakers need to do is download the already available Redsn0w software and to point it to the first iOS 5 beta when prompted. It’s a slight change to the process we all know, so no new apps required. Sn0wbreeze on the other hand will need to be updated. Please Remember this is a Tethered Jailbreak made mainly for developers.
Download Here - Windows
Download Here - MAC