There are many languages available for the SalesForce Lightning interface, and it can easily by changed by any user.
To change the language, go to parameters > my personal information > language and time zone > select other language > save.
The languages available in which Lightning interface can be displayed are the following:
French,
English,
German,
Spanish,
Italian,
– Japanese,
Swedish,
Korean,
– Chinese simplified,
Chinese traditional,
Portuguese,
Dutch,
Danish,
Thai,
– Finnish,
Russian,
Mexican Spanish,
Norwegian.
How to change language
To change the languages of the SalesForce Lightning interface for an user, on the main screen, click on the user avatar, and select the parameters menu.
Then, find your way on the left hand side navigation menu to the section my personal information > language and time zone.
From there, simply change the language value in the language field to the selected one, for example French to switch to French, or English to switch to English.
After that, click on the save button under the form to apply directly the selected language to the SalesForceLightning interface.