HELP ME!! How i can play my Italian Copy on XP!!

[DjDiabolik]

Hy boys.. i have recently buy an original copy of this games.... i want to play without CD inserted in but i can't found a way to obtain this!

I have try to install the games using this:

http://quick.mixnmojo.com/software/grim-fandango-setup

After the installation it's complete i try to launch the launcher 1.5.

I confirm the installation of patch... remove the CD but nothing append.. the games not working

I have found and downloaded from here the archive "GRIMDATA.rar" but after i extracted it the games spoken in italian but all menù and subtext it's in english!!

Please help me.... how i can play this fantastic games ??

P.S. i'm on Windows XP Sp3...