To change the default language of the Spectrum Spatial Analyst (SSA) interface, go to the right side of the user interface via Option > Languages and choose the appropriate one in the drop-down menu:




The chosen language parameter will be added in the SSA url like:

http://localhost:Port/connect/analyst/mobile/#/main?lang=fr

In order to continue using SSA in this new language, you can save this new url in your internet favorites.