: Language packs use significantly less disk space than full standalone installations. System Requirements and Prerequisites
Double-clicking your original shortcut will still launch AutoCAD 2016 in its native installation language. Best Practices for Enterprise Deployment autocad 2016 language packs
Language packs include localized offline help files. If the help files do not open in your chosen language, verify your internet connection or download the localized offline help installer separately from Autodesk. : Language packs use significantly less disk space