Your screen language
Open your profile and choose a language: English, Tiếng Việt, Español, 한국어, العربية or اردو.
Staff languages
Each staff member chooses their own in their profile, or a manager sets it under Users.
Receipt language
Set under Settings > Business settings > Receipt. It can differ from the screen language.
Editing words
Go to Settings > Translations to rename any label for your salon. See languages.