You don’t need to purchase a new license to change the language of your software. How to Download AutoCAD 2016 Language Packs
Once the process is complete, you will see a new icon on your desktop (e.g., "AutoCAD 2016 - French"). How to Switch Between Languages autocad 2016 language packs
An AutoCAD Language Pack allows you to run AutoCAD 2016 in a specific language. Unlike older versions of software where you had to buy a specific "French" or "German" version, the language pack acts as an add-on to the core product. You don’t need to purchase a new license
If you are using or AutoCAD Civil 3D , you must download the language packs specific to those "vertical" products. A standard AutoCAD 2016 language pack will not localize the specialized toolsets of Civil 3D. 4. Updating the Software Unlike older versions of software where you had