In this video, a person is seen demonstrating how to install a fan into a computer case. The person starts by showing the inside of the case, where the fan is to be installed. They then proceed to remove the screws from the fan and carefully place it into the case. The person uses their hands to adjust the fan and ensure it is properly aligned. Throughout the video, the person provides clear instructions and demonstrates each step in detail. The video is shot in a well-lit room, and the person's actions are deliberate and precise. Overall, the video is an excellent resource for anyone looking to install a fan into a computer case.