no just make a new account for the i pod touch
no, itunes is very safe and causes no such problem towards your computer
I don't know if you can buy it from iTunes, but I got it on my iTunes by going to the Sisters Grimm website, clicking on the link for the song, saving the music file to my computer, and opening it in iTunes.
Updating the iTunes software will not affect your existing iTunes account or music library.
You have to update via iTunes on computer
The iTunes software, account and its authorisation are free. You only pay when you decide to buy something from the iTunes store.
Yes, you can. If you download the iTunes for PC from Apple.com, you can download songs and movies off of iTunes on a PC.
iTunes is software that manages and plays your music files on your computer; you do not need an iPod to use iTunes. You only need an account if you wish to buy things from the iTunes store that is built in to the iTunes software. You can buy music from the store to play on your computer; you do not need an iPod to buy things from the iTunes store. If you have an iPod you use the iTunes software to manage the music you want on your iPod and to keep the iPod's software up to date. (See links below)
Yes, you have to have a working version of itunes on your computer and the ipod software. Set your computer so that itunes on limewire automaticly go to limewire.
Add them to your iTunes software library (on your computer), then when your iPod nano is connected via the cable you can drag them to your iPod Library. You add them to the iTunes software library either by downloading them from the iTunes store or if they already exist on your computer, go to FILE menu and ADD FOLDER. This will then list them in the iTunes library where you can drag them to the iPod.
You can't with iTunes but you can download a software called iDump which lets you transfer music from your iPod to iTunes.
If not already installed on the computer the iTunes software can be downloaded from the Apple web site (See links below) and there is extensive guides to using the software too.
On a Mac click on the Apple menu icon (top left corner) and select Software Update... from the menu. This will check what new versions of software are available for your computer. Software Update will then offer you the choice to install the available new versions of your software.