The YouTube channel Cinematic Captures uploaded a short film (very short even since it only lasts 1 minute and 30 seconds) called The Dark Times.
Star wars Order 66 in 8K
Produced in computer graphics, it tells the story of Order 66, given by Lord Palpatine during Star Wars episode III: Revenge of the Sith. In short, this is a pre-programmed order in the minds of the Stormtroopers, instructing them to eliminate all Jedi. We let you admire this excellent video below, and feel free to watch it on a big screen since it is also available in Ultra HD 8K.