How to enable multilingual support in desk.com?

You can enable multi-lingual support for your desk.com by going to Admin -> Settings -> Multilingual Support -> Advanced Settings. Here you can set the default language of your Support Center and enable additional languages that you want your instance to support. There are 39+ language to choose from.

Checkout the following link for more info.

https://support.desk.com/customer/portal/articles/566428