In a browser, go to the Sun Download Center: http://www.sun.com/download.
A registered account name and password is required to access the download center.
Click to download Identity Manager for All Supported Platforms, Multi-language. The language pack (L10N file) is available as a separate download.
Unpack the downloaded language pack to a temporary location.
Copy the JAR file from the temporary location to the $WSHOME/WEB-INF/lib directory (UNIX) or the %WSHOME%\WEB-INF\lib directory (Windows).
Restart the application server instance.