Hello! Itunes is a free music player provided by Apple. It can be used to synchronize music, videos, pictures, etc. to your Apple products (Ipod, Iphone...). You first go to: /itunes/ to download and install Itunes. Then open the Itune program and drag the song you want into the music page; the song format is preferably WMA because it will be saved to the itunes music library, while the MP3 format just creates a similar shortcut key to the music file in iTunes. If the MP3 format The songs cannot be found if they are moved to another location. Then connect your Ipod to the computer. After a while, there will be an Ipod page in the left column of Itunes. iTunes or Ipod will display the connection synchronization data status. Wait until it shows that you can disconnect, then press the eject button next to the Ipod in the left column and then Unplug the iPod from the computer. You can download the songs online without paying them. I hope it helps you. If you don't understand anything, please ask.