1.Plug the usb cable into the phone and computer
2.Phone should give you a notification in the windows which allows you to select the option to 'mount' the phone/SD card or 'transfer files'
3. Once you choose that option (from the notification window) then it should show up as a drive letter on your computer (like a flash drive would).
4. Make a folder for your music (or not) and copy them over.
5. Done. Go to the media player to play your music