The Download Now link directs you to the Windows Store, where you can continue the download process. You must have an active Microsoft account to download the application. This download may not be available in some countries.
From Purple Haze Labs:
Movie Box allows you to access a database of thousands of HD Movies and TV Show for free. Movies are organised by Category and you can browse Movies by Genre, Quality, Year and Country. Movies and TV Show are added on a daily basis. You can also Search for Movies right from the App. You get movies metadata like release year, cast, box office and HD Poster. This App also allows you to watch movie Trailer so you know what the Movie is about. More features are waiting for you in this App. Download it now for free and enjoy.