How I Add Languages on Duolingo in 2026 Without Confusing It With Course Creation — Duolingo add course vs. new course creation: players add...How I Add Languages on Duolingo in 2026 Without Confusing It With Course Creation — Duolingo add course vs. new course creation: players add existing languages via the 2026 flag switcher; official courses are built internally. www.lootbar.com Show more