If you know how to use a bittorrent client, and you have a .torrent metafile or magnet link for the torrent you want to download (for a movie or otherwise), you don't need Popcorn Time.
If you know how to use a bittorrent client, and you have a .torrent metafile or magnet link for the torrent you want to download (for a movie or otherwise), you don't need Popcorn Time.