It's a Self Extracting Driver File. Just run it in your temp directory, then run the cdsetup.exe file. The Readme.doc file included gives you all the details that you need.
The following files are found inside the driver download file.
|Boottime.txt||2.6 KB||30 Jun 1998|
|Cdsetup.exe||40.7 KB||23 Jul 1997|
|Readme.doc||3.3 KB||30 Jun 1998|
|Hit-dvd.sys||24.2 KB||4 Sep 1997|