Cannot download music from frostwire to sansa e 250

no matter brand new or used....keep downloading your music (videos) via frostwire.....but this is how you get the music from you pc to your device.....plug the device to pc....goto my computer....see the new icon (yeah your mp3)..open it up....now also find the folder w/ your music open that up....copy and paste (click and drag) files from the pc to mp3 ....have fun.....feel free to rate the help