You must go into the Forum from i4story ^^.
LINK:
Than u must go into the Tech Support Forum and download all new patches u need 7Zip to extract the things from the ordner ^^.
Than u open the extract ordner and copy the files into the i4story ordner and u need start.bat but i believe u now what it is
than it must go ^^.
(Sry for my bad englisch xD)