When you start the software using the Revit shortcut, it opens using the language specified by the /language switch of the shortcut.
If you want to always launch the software in a specific language, modify the target line of the Revit launch icon, as follows.
Example:
"C:\Program Files\Autodesk\Revit 2016\Revit.exe" /language FRA
The 3-letter language codes are as follows:
| Language | Language code | Supported for Revit | Supported for Revit LT |
|---|---|---|---|
| English | ENU |
|
|
| French | FRA |
|
|
| German | DEU |
|
|
| Italian | ITA |
|
|
| Japanese | JPN |
|
|
| Korean | KOR |
|
|
| Polish | PLK |
|
|
| Spanish | ESP |
|
|
| Simplified Chinese | CHS |
|
|
| Traditional Chinese | CHT |
|
|
| Brazilian Portuguese | PTB |
|
|
| Russian | RUS |
|
|
| Czech | CSY |
|