How do you put music on a mp3 player?

how do you put music on a mp3 player , i know your suppose to sync but when i made a list of the songs i wanted to sync on my windows xp it said that i needed to connect a device which i had already connected.

110100101108 years ago
plug it in open in new window drag the files to this window wait for them to copy click on the icon in the bottom right and make safe eject take out the player