All our marketplace are now equipped with multi-lingual capabilities. You can change the language(s) of your marketplace and translate your consumer and/or merchant portal into different languages and make them the default language.
Select Language Settings, select a new language from the drop-down list and click on Add New Language.
For more information, you can refer to our help centre section on Languages.
You can visit our Language guide here.
Alternatively, here is a video link that will assist you in setting up proper translation of the language in which you desire.