Show different search bar based on languages

First, we need to add the search bar widget, the filter condition is underneath the widget you just added.  Here's an article about it: https://www.intercom.com/help/en/articles/1827291-customize-your-messenger-home-with-apps#choosing-the-right-apps-to-show-your-visitors-and-users

The "+ Add display conditions" might be shown as "Add audience rule".

You can choose Browser Language here.