Installing FFmpeg
The videos and subtitles are downloaded using
FFmpeg. It is available for all major operating
systems. You need to install ffmpeg and make it available in your $PATH before you can
use nrkdownload.
For Windows
Should be rather straight forward. Download the latest static build and run the installer.
For Linux
Depending on your Linux-distribution, you might have to add a package-repository in order to install ffmpeg. If you get stuck, try too Google installing ffmpeg for YOUR_LINUX_DISTRO.
For macOS
The easiest way to install and update ffmpeg is maybe via Homebrew. After installing Homebrew itself, you can just say: