If you've upgraded i Tunes and don't like it, you may want to go back to the previous one.Learn more about that in Can You Downgrade From i Tunes Updates? F8660_fbz_button[type="button"]:active, .ezoic-wrapper .
In order to update the software on a 2nd generation i Pod, you will need to sync that portable device with the i Tunes software that is installed on your computer.
In that case, a pop-up window announcing the upgrade appears when you launch i Tunes.
If you see that window and want to upgrade, just follow the onscreen instructions and you'll be running the i Tunes in no time.
Connect the i Pod to your computer and select it in the i Tunes source pane (in the Devices section).
The Summary page appears to the right of the source pane, and the software version appears next to Software Version at the top of the page.