For this step, you’ll need to be connected to Wi-Fi. If you’re not connected to Wi-Fi but want to download over data, open the app, go to Menu > Settings > Data usage > Downloaded Languages > Use Wi-Fi or mobile network. [1] X Research source
If you’re using mobile data instead of Wi-Fi, you’ll only be able to download small files.
The language will be moved to the “Downloaded languages” section, and you’ll see a progress circle. Downloading a language on your Wi-Fi also helps prevent roaming charges that you’d get if you were to translate using data.