How Can I Watch Dvd Movies?help Please

hello guys…anyone know how i can see new movies ?some doesnt playing probably couse they have copy protection?i dont wonna copy it i wonna see it…i am watching the dvd movies on my pc…but some of the new movies going me directy in the 1h and 24 min play so …i cant watch it
i must download something?help please…thanks
i have the pionner 107 d btw