Now, it's simply a matter of Right-clicking on the file using Windows Explorer (File Manager) and the pop-up menu will give an option of Send to. . . and hovering your mouse pointer over this will give another pop-up sub-menu that will include Removable drive E (or F, G, H, I - depending on your hardware configuration). That's it! Your MP3 file is now in your MP3 player and as all MP3 players have unique differences I'll assume you have the wherewithall to drive your MP3 player! (Mac users may have to seek guidance on how to manage files using a one-button mouse!)