Tree problem :/
I am Polish and I finished my English tree and I wanna start French tree (English -> French because there is no course Polish -> French) without closing my English tree how can I do that? can I do that?
P.S. Note that this will change language of the interface to English and your English course will not be visible until you change it back(no progress will be lost) – I assume that's not a problem though ;)
P.P.S For easier switching between courses, I recommend Duolingo Course Switcher – very handy userscript! :)