To change the user interface language in Firefox, load about:preferences in the browser’s address bar. As you might be aware, the page allows you to reset Firefox preferences settings, if needed.

Opera web browser allows you to change the language of the user interface at any moment. Read on to discover how to set another language in Opera in several steps. By default, Opera uses the language ...

When done, hit the OK button to configure the changes. Now, all your game User Interface elements will be displayed in the language of your choice.