An AutoCAD Language Pack 2018 is a free add-on that allows you to run AutoCAD 2018 in a different language without needing to reinstall the entire software suite. These packs change the interface, including menus, dialog boxes, and the command line, while keeping the core software intact. Key Features of Language Packs
Select Language: Click the Languages tab (or Downloads > Languages). Choose your desired language from the list and click Download.
Unlike earlier legacy versions where you needed a completely separate installation for each language, the 2018 pack works on top of your existing base installation (typically English). It does not translate your drawing data (text, dimensions, or Mtext objects); it only changes the environment controls.
Win + R, type regedit, press Enter.HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\AutoCAD\R22.0\ACAD-E001:409\Language (Your exact key may vary slightly).Language string value to your code (e.g., Enu for English, Deu for German, Fra for French).HKEY_CURRENT_USER\Software\Autodesk\AutoCAD\R22.0\ACAD-E001:409\Language and change it there too.Troubleshooting tips
Once the language pack is installed, AutoCAD does not automatically switch languages. You have to select it:
As of 2026, AutoCAD 2018 is considered a "Legacy" version. Autodesk typically provides support and downloads for the current version plus three previous versions.