To download music into your mp3 pplayer,you first need to download music to your computer. So you can download music to your computer from any music sites like www.123musiq.com
or download.music.com and save it in the folder you want. Now when you open, "My Computer" , you will find a folder named after your connected mp3 player. Now copy the songs you want and paste it into this folder. Now you will have all your songs into the mp3 player.