Rosetta Stone is a language learning software designed to help all levels of students practice and master another language. When you purchase Rosetta Stone, you are purchasing the program itself along with the instructions for the language of your choice. However, if you have mastered one language and would like to broaden your studies to a new language, you can download separate language packs to add to your preexisting software.
Make sure the “Application CD” is installed and functional on your computer.
Open your version of Rosetta Stone and click the “Preferences” button located at the top right corner of the screen.
Select “Add or Remove Languages” from the list of available options.
Select “Add a language level” from the pop-up screen. The next screen will ask you to insert the new language CD.
Follow the onscreen directions to complete the installation for your new language level.