It is important to discuss internet security before making a payment. As you know, nothing is free, and if you get something for free, there may be some restrictions. I suggest not to download any content or click any links on suspicious websites. The following list of websites allows you to free movie download sites without registration.
The names are:
Youtube
Hotstar
The Korean film Archive
Pluto TV
Also read: https://famousbollywood32.mystrikingly.com/blog/free-movies-download-websites
https://famousbollywood.educatorpages.com/pages/top-legal-websites-to-download-movies-for-free