Click on the option at the bottom of the screen. Look for Hindi under the Audio section.
For downloading the show in 480p, you may want to try third-party websites that offer free TV show downloads. However, be aware that these sites might have limitations, such as: i--- Crash Landing On You Hindi Dubbed Download 480p
For a deep dive into the series' impact and why it remains a fan favorite, check out this Hindi review: Click on the option at the bottom of the screen