Setting Default Language for User
- Go to Setup > Administration Setup - Managed Users and click Users.
- Click Edit next to the User.
- In Locale, select a locale. For example Spanish (Mexico). This is optional.
- In Language, select your preferred language for the user. For example Spanish.
- Click Save.
For every new locale that you add, you must register it from the template. For more information, see Adding a New Locale.