: The video resolution (1280 x 720 pixels), which is standard high definition (HD).
: Identifies the show as the first season of Stranger Things . Stranger.Things.S01.PL.720p.NF.WEB-DL.x264.AC3
: Indicates that the file includes Polish audio or subtitles (Lektor/Napisy). : The video resolution (1280 x 720 pixels),
If you are having trouble playing a file with this specific name on your device, it may be due to missing codecs. Media players like or MPC-HC are generally recommended because they come pre-packaged with the necessary decoders for x264 video and AC3 audio. Stranger.Things.S01.PL.720p.NF.WEB-DL.x264.AC3