If you absolutely cannot get the French installer, you can replace:
If you must stay on 2017, the is your only clean option. autocad 2017 french language pack top
Ensure that the base AutoCAD 2017 software is already installed before adding the language pack. Close AutoCAD If you absolutely cannot get the French installer,
After installation, AutoCAD does not automatically switch languages. You must manually toggle the setting: autocad 2017 french language pack top
Compatibility & requirements