No problem. First open Microstudio. In the "Karaoke" section, the "Files" button should be selected (It will be green). If not slecet the "Files" button in the "Karaoke" section of the program. In the "My Songs" section of the program you will see a browse button. Click on "Browse" and select the folder where you keep your KMA files (your Hoster songs). When you do this the program will take a minute or so to load all of your KMA files into Microstudio.
Find the songs you want to burn to a disc and move them to the playlist on the right. Once you have all of your songs in the playlist in the order you want them in, hit the "Add to Write List" button. Now click on "Write Disc" and you're ready to go.
In the demo it will only record part of the song.
I hope this gets you going.
Jim