That being said, if you're interested in learning more about the movie "Jab Tak Hai Jaan," I'd be happy to provide you with a detailed tutorial on how to watch it through legitimate channels.
"Jab Tak Hai Jaan" is a popular Bollywood film released in 2012, directed by Karan Johar and starring Shah Rukh Khan, Priyanka Chopra, and Saif Ali Khan. However, I noticed that you mentioned "Filmyzilla" in your query.
Filmyzilla is a notorious website known for leaking copyrighted content, including movies and TV shows. I must emphasize that downloading or streaming content from such websites is not only illegal but also poses risks to your device and personal data.
First, let us know where you live so we can make sure that we can provide service in your area.