I use windows xp 32 bit and it works for me, actually, ive been playing with it until now. Download everything it needs and make sure you are using as well the bypass.
[Release] Kintow MultiHack 08/21/2011 - S4 League Hacks, Bots, Cheats & Exploits - 585 Replies You need a bypass to run this hack
Screen :
http://img638.imageshack.us/img638/3526/multihack 36.png
http://img825.imageshack.us/img825/19/hitrange34. png
How to use :
Extract all files in the S4 folder
Launch MultiHack.exe
Select 0 at CMD line