How do I download any movie in my microsoft lumia 535 O.S. 8.1 from free site ?

[Windows Central Question]

When I open any video site like mymp4moviez.in,mp4mobilemovies.net or other site it was opened but after getting the right movie file & click to download now button or to click hare to download from the best server its blank & the screen is display that try after some time any suggestion guys...... help me out it sucks......