This usually means your cookies have expired or you are not using the latest version of the tool. Update with pip install -U youtube-dl .
Place this file in the same folder as your terminal/command prompt.
Downloading does not automatically mark lessons as "complete" in your Udemy account. Is it Legal? download udemy courses with youtube-dl
You must already own the course or be enrolled in a free one. Step-by-Step: Using youtube-dl for Udemy 1. Authentication (Cookies Method)
youtube-dl --cookies ./udemy-cookies.txt -o '%(playlist)s/%(chapter_number)s - %(chapter)s/%(playlist_index)s. %(title)s.%(ext)s' [COURSE_URL] Use code with caution. : Points to your authentication file. This usually means your cookies have expired or
Some high-profile courses use Digital Rights Management (DRM). Neither youtube-dl nor yt-dlp can download DRM-protected videos; you will see an error regarding "encrypted content".
Supported browsers include chrome , firefox , edge , and safari . Step-by-Step: Using youtube-dl for Udemy 1
Many users now prefer because it is more frequently updated to handle Udemy's changing site architecture.