In a browser, go to the Oracle download page:http://www.oracle.com/technetwork/indexes/downloads/index.html.
Download Waveset 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.