does anyone know of any good and legit ways of streaming and or downloading movies?

[Mel Mccue]

so i can watch them from my computer. I have tried a bunch of stuff and everyone I seem to pick my computer has a problem with it. I am so tired of trying to find that one website thats perfect and i have yet to find it. i do know that i used to know of some nifty sites that had movies you could stream way easy but... i cant remember the names