Never download executable files claiming to be the movie. Stick to recognized private trackers or, better yet, buy/rent officially.
When watching, keep in mind that the film's original color grading and visual style might be an integral part of the cinematic experience. However, watching a black and white version can still be a great way to enjoy the film, especially if you're a fan of classic monster movies! godzilla minus one 1080p black and white versio full