You may have noticed that AutoCAD 2010 and Inventor 2010 now offer language selection during the installation. I was never sure about the true purpose of this selection as it constantly shows Italian (or English in English versions) only.

It seems that this option is prepared for multiple language installations using installable “Language Packs” but these language packs were not introduced (yet?) in Europe.

You can learn lots of information from the following Autodesk “Language Pack” video: