the file format of the movie. You then use an appropriate program. If the file format is .flv it is Flash and Real Player works perfectly.
The second thing you need to know is whether the movie is downloadable. Since you gave us no examples of the movies or what sites are involved, that's about it.
i have been trying to find a free video download programme, all i want it to do is let me click on a movie and download it for me so i can watch it later. i have tryed all sorts, realplayer, windowsmedia, ect ect, and i just can not get to grips with it all. why are they so comlpicated or maybe it is just me. can anyone give me a step by step guide or tell me what to do before i go mad. i have saved streams to watch on movies 2k but can not download them. i am not saying that i am going to wink wink. please help