"Win 95/98/NT INF file for the U.S. Robotics/3Com Modem model 00568603. Copy this file onto a blank floppy disk. Remove all Sportster modems in Control Panel/Modems. Shutdown, attach and turn on modem, then restart your computer. When prompted, insert the disk and choose "Driver from disk provided by hardware manufacturer" or "search for the best driver" and click "OK." Direct it to search the floppy drive. Select the U.S. Robotics 56k fax external and then follow the prompts to finish modem installation."