As for a 4K download, I'm afraid it's not possible to provide a direct link for downloading copyrighted content. However, you can check the movie's availability on streaming platforms or purchase it from digital stores like Google Play or iTunes, which may offer 4K UHD versions.
: The 4K version is frequently available to stream with a subscription on (formerly HBO Max) and Physical 4K Ultra HD Blu-ray : A physical 4K UHD disc harry potter and the philosopher 39-s stone 4k download