Jaguar, the Emblematic Case

Youtube, language selection
On YouTube, to have the audio dubbing, the titles and descriptions, and the subtitles in a different language, if available:
1) YouTube window > top right, three-dot menu next to Sign in > Display language > select the language;
2) Hover the cursor over the video frame to display the options menu > bottom right, gear icon (Settings) > Audio track/Subtitles > select the language.