Download latest version Free Movies Box for Windows 8, 8.1 from here: http://apps.microsoft.com/windows/app/free-movies-box/30e55063-2c47-49a7-a99d-26bc87466d47
Or just update your app if you have it already installed.
Love it but would be great if you could use chromecast on it
Love it but would be great if you could use chromecast on it