On Mac On Windows Community Q&A This wiki How teaches you how to update the i Tunes application on Mac or Windows.
Here check full guide to make a smooth upgrade to i OS 10 With i OS 8 has just arrived, you may feel excited to update your Apple devices to i OS 8.
Upgrading to i OS 8 is pretty simple, you just need to click Update on i Tunes or Install Now on an i OS device.
According to the official Apple site, the i OS 4 software is not compatible with the first-generation i Pod Touch.
However, the 3.1 software update is available in the i Tunes Store, and costs $4.95 as of July 2010.
You will lose all of the music, all of the pictures, videos and applications stored on the i Pod Touch.
Also, be sure you have i Tunes installed on your computer you try to reset it.When you plug it into the computer, i Tunes should automatically open.i Tunes will then give you a message telling you it cannot open the i Pod’s info because it requires a password.The i Tunes program will direct you to the i Tunes Store, which will ask to charge your i Tunes account for the price of the 3.1 software update.Enter your i Tunes ID password, and click "Buy." Leave the i Pod Touch connected to your computer, and wait for the 3.1 software installation to complete.Apple has already released i OS 10.3 for i Phone i Pad and i Pod touch this March.