How to install this .INF file Copy the mdmbausc.INF file in the windows directory. Go in the start-menu to the configurations-setup and click on the Modem-icon. Choose in this program the 'ADD' button, and click two times on 'NEXT" and then on Diskette. From this point you choose 'BROWSE' and go to the windows directory. Here you'll see the MDMBAUSC.INF file. Click on this file and you'll see a list of the Bausch modems where you can choose you're own modem from. Go on with the installation procedure, and you're modem will be right configured.