The viewer supports full localization of the UI. To localize the interface into the required language, just set the required file name for the localization option in the viewer:

 

 

 

The localization XML files can be found in the resources of the installed product package. If necessary, the localization file can be loaded from any other location; for this you need to specify the full path to the desired XML file for the localization option:

 

 

 

If the file is readable from the Python application, the localization will be loaded into the viewer. Otherwise, the built-in English localization of the interface will be used.