Automatically Translation from German:
Many videos on YouTube are subtitled in various languages. To switch these subtitles and select the desired language does one proceed as follows:
If the subtitles are stored in a video, circled symbol appears. This one turns on the function.
If show a red underscore below the first icon. Then are the subtitles active.
Now click on the setting symbol and choose the language.
It appears lower selection box.
Choose a language by the „subtitles“