You need iTunes. The latest version can be free downloaded from http://www.apple.com/itunes/download/. If your songs are in MP3, M4A, AAC, WAV formats, you can directly put them on iTunes and transfer them to your iPod. Here's a guide about how to sync videos and songs to iPod using iTunes http://www.dvdconverterreview.com/how-to-sync-video-and-songs-to-iPod-using-itunes.html
by downloading the songs on the CD on the computer and plug in your iPod and pick what songs you want on your iPod
If you are downloading songs from an illegal website such as Frostwire or Limewire, then a virus may be attached to it that could damage the iPod.
If your iPod is locked, then you cannot put songs on it. You have to enter the password and unlock the iPod to add songs to it.
Yes; iPods can be used like external flash drives.
No it is not legal. But my friends do it and they do not get in trouble.
Buying the songs on iTunes is the best way of getting the song onto your iPod. If you are talking about downloading free TTR tracks to your game menu for play, you should look into the Tap Tap Store.
If the song is deleted, then you can't put it on your iPod.
You should not be downloading free songs. Downloading free songs is illegal, no matter how many sites claim to be completely legal. You should be buying the songs from iTunes or other legal places to get songs.
you have to download it to a computer and then put it onto your i pod from there
it depends on your ipod's capacity
Downloading music from limewire (that you don't already have) is illegal
it is safe to download audio songs from www.songs.pk a huge collection of Hindi songs..