First, unzip the file, you will now have an EXE (drivers) and a PDF file (manual).
Windows 95(OSR2) & 98 Modem Drivers
The following is the latest modem driver that you need to use Viking 56K USB Modem.
After unziping the file, double click on the exe file and expand it to a floppy disk.
Detailed instructions with screen shots can be found in the Quick Installation Guide
282avci.pdf, also included.
Viking 56K USB Modem (Win 95(OSR2), 98) - winusb.exe
Instructions on how to install and configure the Viking 56K USB modem into your system. This guide covers systems using Windows 95 (OSR2) & 98. A quick version of the Viking 56K USB User's Guide 282aVCI.PDF