1 Open iTunes for Windows 10. 2 Click the Store tab and select Add Music from the list. 3 Click the Browse button next to where you want to put the music files. 4 Navigate to the location of the music file and click Open. 5 If you added music from an album or playlist, iTunes will open that album or playlist for you. 6 Double-click a song or album to add it to your library. 7 When you're finished adding music, close iTunes by clicking the main menu button and selecting Quit. 8 Sync your music on all your devices!