Open the menu on the left. If it is hidden, select the three-line icon in the upper-left corner.
Scroll down in the menu to the language option and open the list of available languages. Select your preferred language and check whether the interface menus change.
If a section still appears in another language, go to GANNAR Support and tell us which language and section you saw.
Languages available on the GANNAR site may differ from those available in the Help Center.