free. online. https://www.thelocal.se/20181212/the-free-fun-tool-for-learning-swedish-online-informationsverige-tlccu
I learned something other than Swedish from the article. They mentioned the course was available in Dari. What's that? It turns out to be the form of Persian spoken in Afghanistan - that troubled nation's second official language, along with Pashto. Tack, "Lära svenska! " (Thanks.)