For example, if you have AutoCAD 2021 English installed on your workstation, installing the Japanese Language Pack will change the ribbon ("Home" becomes "ホーム"), the command line ("Line" becomes "線分"), and the right-click context menus. However, the core drawing database ( .dwg ) remains identical across all languages.
For large organizations, you can build a master English installation and deploy additional language packs worldwide. Quick Troubleshooting Tips If you run into issues, check these common fixes: Factory Design Utilities 2021 Language Packs - Autodesk autocad 2021 language pack