Download Redsn0w 0.9.6b1 for Windows. Redsn0w jailbreaking tool for Windows is finally come to windows users. You can now jailbreak iOS 4.1 & 4.2 Beta from your windows platform using Redsn0w 0.9.6b1 tool. The beta version Redsn0w 0.9.6 can jailbreak iPhone 3G, iPod Touch 2G at iOS 4.1 or iOS 4.2. Well, iPod Touch 2G MC model users can also jailbreak iOS 4.01 but it’s tethered jailbreak hence you might want to stay away and wait for Pwnagetool for iOS 4.1.
NOTE: Redsn0w 0.9.6B1 can only jailbreak iOS 4.1. If you are rely on unlock then you must need to stay away from Redsn0w and wait for Pwnagetool to support iOS 4.1.
Download Redsn0w 0.9.6b1 for Windows from here