Thanks for your interest in our product ! To install the Analog Night pack on your computer: - Double-click on the Analog Night icon (Analog Night.alp) - Live start... - A window appear, asking you where to install the pack (its destination) - Choose a destination on you hard drive (about 700 Mb space required) - Click on "Open" For a convenient use, the folder must appear in your browser. When the installation is over, you can go in the Analog Night folder in your browser and enjoy the sounds. If you 've any problem in using the pack, please contact: leida@free.fr Thanks for your feedback.