You can set several basic settings on the Settings page. Craftable PRO uses Spatie Setting (opens in a new tab) under the hood.
Available Locales: You can set multiple locales, which will be used in the Translations manager (see Translations). You can also crate a new ones.
Default Locale: You can set the default locale, used for example for the registration page or login
Default Route: You can set where the user should be redirected after logging in