Dual audio refers to a feature in video files that allows for two audio tracks to be embedded, often in different languages. This feature enables viewers to switch between languages, making it a convenient option for those who prefer to watch movies in their native tongue or in a language they are more comfortable with.
: Available for rent (approx. ₹99–₹149) or purchase in HD/4K. Apple TV Store
The movie "Oppenheimer" is indeed expected to have a dual audio version, which includes Hindi language support. This means that viewers who prefer Hindi can enjoy the movie with Hindi dubbed audio, while also having the option to switch to the original English audio.
Files labeled as movies are often disguised executable trojans that steal passwords.