how do i install new software
Go to App Store, find a program you like, and download it. Some are free. Some cost money.
i didnt mean apps i ment the Ios software
Connect to iTunes. It should say there is a new update available. Choose to update.
Just to expand on Alex's post, connect the iPod to iTunes. Look on the Device/Summary pane (tab) and click on Check for Updates. If there is an update available, you will be given the option to download and install it.
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