You can choose the default language new users see when they first sign in to their managed Google Account.
Assigning the default language for new users doesn't change the language for existing users. If your existing users want to change their language, send them to the article Change your language on the web.
Tip: To change the language of your Admin console, go to Choose a language for your Admin console.
Sign in to your Google Admin console.
Sign in using your administrator account (does not end in @gmail.com).
In the Admin console, go to Menu AccountAccount settingsProfile.
- Click Language.
- Select a language from the listclick Save.