By default, a new project opens in a single language. You must manually activate additional languages in the project tree before you can translate texts or create language-switching buttons. Step 1: Open Project Languages

Before your project can run on the HMI device, you must explicitly tell it which languages to use and ensure they have proper font support.

This dictates the languages available to the end-user on the actual physical HMI screen, allowing operators to toggle between languages (such as English, Chinese, or Spanish) using a button. Part 1: Changing the Software Design-Time Language