Installing the language pack is designed to be non-intrusive. It runs as an add-on to the existing AutoCAD 2017 installation. Once installed, it adds a language switcher to the Windows Start Menu, allowing the user to launch AutoCAD directly in French without altering the core installation files.
Since AutoCAD 2017 is now unsupported (discontinued after 2020): autocad 2017 french language pack top
If you must stay on 2017, the French installer is your only clean option. Installing the language pack is designed to be non-intrusive
Installing the AutoCAD 2017 French Language Pack Top version is straightforward if you follow this sequence: Problème : menus personnalisés non traduits ou boutons