HOW TO JAILBREAK THE iPod Touch 2nd Gen
1. Review your firmware version by going to Settings> General> About and check your Version
2. If it is 4.2.1, continue to step 3.
If it is lower press "Download Now" and look to the video down below for instructions on how to safely update your iPod. Once you have updated your firmware, continue to the next step.
Here are the rest of the firmware links for this device if you wish to use them. (experienced users only)
3. Download redsn0w for your operating system.
4. Follow the instructions in the video below to jailbreak your iPod Touch (for both Windows and Mac) The guide is meant for ios 5.x but it works with your device too.