Install youtube-dl on windows, download m4a, python pip

Install Python python:
https://www.python.org/ftp/python/2.7.15/python-2.7.15.amd64.msi

Set up %path% variable:

Install youtube-dl:

pip install --upgrade youtube-dl

totaly unrelated but after thet you can update your pip module:

python -m pip install --upgrade pip

List available files:

youtube-dl -F "https://www.youtube.com/watch?v=bnm2uYDld9w"

Download best m4a:

youtube-dl -f140 "https://www.youtube.com/watch?v=bnm2uYDld9w"

Download list:

youtube-dl -f140 -i "https://www.youtube.com/watch?v=2xcINfs7ri8&list=PLq0M2J5MhmPNv7z3d6eUudZhkV6BK9ayw"

Limit the quality to full HD:

if not exist "%userprofile%\.config\youtube-dl" md "%userprofile%\.config\youtube-dl"
echo -f '299+bestaudio[ext=m4a]/137+bestaudio[ext=m4a]/37/136+bestaudio[ext=m4a]/22/135+bestaudio[ext=m4a]/18/134+bestaudio[ext=m4a]/133+bestaudio[ext=m4a]'> "%userprofile%\.config\youtube-dl\config"

Install ffmpeg:
https://drive.google.com/uc?export=download&id=0BxmEiwnrWfmmNUhyTThSclY3MzA