Download the Italian language translation files here:
http://freeworldyachtclub.net/forum/index.php?action=downloads;sa=view;id=304
After you download and save the italian.exe file to a location on your computer, run the .exe file and confirm the proper installation directory that corresponds to your version of VSK as well as your operating system. The default directory for this .exe file is C:\Program Files\32nd Amercia's Cup\GameData\Translations