This article shows you how to use YouTube's closed caption feature to add captions in any language.
To turn on closed captions:
- Click Play on any PLT4M video
- Select the CC icon to turn on Closed Captioning

- To select a new language; Click Settings
- Select Subtitles/CC

- Select Auto-Translate

- Select your desired language

Subtitles will appear at the bottom of the video in the selected language, see below:
