You have 2 choices of install this speech pack.
1) Make a C:\TEMP directory and run the INSTALL.BAT. For this to work, the
        game must be installed int the C:\STAR directory. The speech pack
        installs into the C:\STAR\DATA directory.
OR
2) Use ARJ with the X parameter if you know how.

This is the ENHANCED SPEECH PACK. Not the Regular speech pack.

