To display or change the imported or embedded subtitles during playback, do this:
1.Click on the 
button (or right-click on the media window to display the express menu).
2.Select Primary Subtitles or Secondary Subtitles, and then select the subtitle language in the list you want to use. If the subtitles you want to use are not available, you may need to import the subtitle file. See Importing External Subtitle Files for more information.
3.To stop displaying the subtitles, click on the button (or right-click on the media window), select Primary Subtitles > Off, or Secondary Subtitles > Off.
See Subtitles Settings for information on changing the font style, position, and encoding for external and embedded subtitles.