A: 1080p or 4K HDR on Netflix or Amazon Prime Video offers the best experience.

The file name you shared ("PK 2014 BluRay Hindi 480p ESub - Vegamovies.NL.mkv") looks like a standard high-quality with English subtitles (ESub).

Without knowing human languages or customs, "PK" (a nickname given because people think his behavior means he's drunk) observes Earthlings with childlike curiosity.

The story follows a wide-eyed (played by Aamir Khan) who lands in Rajasthan on a research mission. His journey takes a desperate turn when his "remote control"—a locket required to summon his spaceship—is stolen, leaving him stranded in a world he doesn't understand.