There is already a '.msi installer' guide here:
http://fileforums.com/showthread.php?t=62564
Its just doesnt have an easy subject title on it for searching!
And as Morglum007 pointed out further down the page, there is no need to download the whole 'Intel SDK' program just download 'Orca'.

And for a '.exe' type guide there is one here:
http://fileforums.com/showthread.php?t=64245 and here:
http://fileforums.com/showthread.php...ighlight=mafia