Yes, you can watch any movie without downloading all parts or movie or if you want to test the quality of movie.
Most of movies posted online are broken into many pieces using WinRAR so users can download easily. Normally you have to download all parts before extracting. But here’s a simple method to watch the movie without downloading all parts. First, download the few parts or just the first part is enough now right click on the rar file to extract
now in the General Tab you will see a check box named [keep broken files] just tick that box.
Click on Extract Files…
and then extract file anywhere.
That’s it, you can now watch a part of movie on any player. ENJOY