Then on pages 1 and 2 of this General Discussion Forum you'll find parts 2, 3 and 4.
The tutorials assume that the user owns a recording program and has at least some rudimentary understanding of how to use it.
You don't mention what kind of program you're using. I hope you're not thinking that you can produce music with IO alone. It's a soft synth plug-in to be used in a host program, either a "sequencer" such as Sonar, or a notation program such as Finale.