You can change Zwift's native language within the 'Pairing' screen. Currently, you can use Zwift in English, Chinese, Spanish, French, German, Japanese, Korean, and Italian. More languages will be coming in the future.
In the 'Pairing' screen, click the button in the lower, right-hand corner. This will bring up a menu containing all of our currently support languages.
Pick your language and you are ready to ride!
Note: The Zwift Companion app will use the currently active language of your iOS or Android device. Changing the language in Zwift itself will not change the Zwift Companion's language.