This specific phrasing is designed to trick you into bypassing your computer's security. Malware Payload: These "players" are often credential-stealing malware
The message "need to install and run video download player to continue run video video player" is scam and a malware delivery tactic PCrisk.com This specific phrasing is designed to trick you
If the site is full of flashing "Download" buttons or redirects you three times before showing the video, the prompt is fake. the prompt is fake.