For downloading not encrypted course from udemy.

download-udemy-course.sh

#!/bin/bash
if [ -z "$1" ]
  then
    echo "Write the url in this format: https://www.udemy.com/course/X
Where X is the name of the course that you want to download"
fi

yt-dlp \
--legacy-server-connect
--sleep-requests 60 \
--user-agent 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:105.0) Gecko/20100101 Firefox/105.0' \
--cookies-from-browser firefox \
-P . -o "%(playlist)s/%(chapter_number)s - %(chapter)s/%(playlist_index)s-%(title)s.%(ext)s" $1 \