How to jailbreak ipod touch 4.2?

First of all let’s understand what jail breaking is called. Jailbreaking is technique in which you break your iPhone or iPod so that it is not dependent on apple software store and iTunes song store. If you jailbreak your iPod, then it can download software from third-party developers through the independent Cydia app store, which is installed as part of the jail breaking process. You said you are having iPod 4.2. It is also very easy to jailbreak it by just going on jailbreak me website. But make sure you have been using safari web browser. Now just tap the blue button on cydia app store and click on the install buttons. Now cydia will automatically get on your iPod and will automatically start working. When complete, you can tap the finish options ad your iPod 4.2 is jailbroken. You can use it freely now.