I'm going to do you a solid and give you this info for free.

https://freegrabapp.com/product/free-netflix-download/

I just asked my roommate for his suggestion, and that's the link he sent me. He swears by it, but I'm on a Mac and can't try it. He also downloads movies on his seedbox and uploads them to streaming sites and provides links for ad revenue. I'm sure you can seed them from a torrent tracker, no problem, but I don't know what the output file is that you download.

I also don't know if the program itself has any viruses, so you may want to check for yourself. He hasn't had any issues with it, so try at your own risk!

Good luck!