Assuming you are using windows
- Download https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp.exe
- Install ffmpeg (can skip if you only need 720p videos): https://github.com/yt-dlp/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-win64-gpl.zip
- Extract the files and find ffmpeg.exe and ffprobe.exe inside the bin folder
- Copy those two files to the same folder as yt-dlp.exe
Download a video
- Open windows explorer to the folder where you downloaded yt-dlp.exe
- In the address bar of the the folder that yt-dlp.exe is in, type cmd and press enter
- Then in the terminal window that opens, type yt-dlp "URL" replacing URL with the link u want to download.
- Wait for your video to finish downloading
- Skim through the documentation https://github.com/yt-dlp/yt-dlp#readme to learn about more features.
- (OPTIONAL) Add the yt-dlp folder to PATH https://www.java.com/en/download/help/path.html