Format C4 only
Folder:
client - copy itemname-e.dat, npcgrp.dat, skillgrp.dat, skillname-e.dat client files
server - copy npcdata.txt, item_pch.txt server files
start DropSpoilPatch.exe
result - npcgrp.dat, skillgrp.dat, skillname-e.dat modified client files with added drop/spoil/info
Folder:
client - copy itemname-e.dat, npcgrp.dat, skillgrp.dat, skillname-e.dat client files
server - copy npcdata.txt, item_pch.txt server files
start DropSpoilPatch.exe
result - npcgrp.dat, skillgrp.dat, skillname-e.dat modified client files with added drop/spoil/info