To install this patch, just unzip the files into the main game folder, open the batch file "INSTALL_UPDATE_1_3d.bat", and let the "pack" program do the hard work for you.
You only need this if you are playing on 1.3c or below. Please check the version before applying this patch.
Fixes:
Missing particle and explosion sound effects added to some objects.
Some small sound changes.
Added dialogs from DFBHD.