2. Click the "File" tab in the menu bar at the top of the window.
3. Select "Download Manager" from the drop-down menu.
4. The "Download Manager" dialog box will appear. Click the "Add URL" button.
5. In the "Add URL" dialog box, enter the URL of the MP3 file you want to download.
6. Click the "OK" button.
7. The MP3 file will start downloading. You can see the progress of the download in the "Download Manager" dialog box.
8. When the download is complete, the MP3 file will be saved to your default download location.