To install the software required to operate the LS120 device, you must run the following installation program depending on the operating system you are installing the device under: DOS A:\DOS\DOSSETUP.EXE WINDOWS 3.1X A:\DOS\DOSSETUP.EXE WINDOWS 95 A:\WINDOWS\WINSETUP.EXE WINDOWS NT A:\WINDOWS\WINSETUP.EXE.