youtube-dl for retards

-Youtube
youtube-dl -F [link]
>this should give you the list of available video and audio formats
>and then you do
youtube-dl -f [number]+[number] [link]
>first number has to be video, tho
>second number is optional if the first one doesn't say video only

-Soundcloud
youtube-dl -F [link]
>this should give you the list of available options
>and then you do
youtube-dl -f [option] [link]

-Twitch
youtube-dl -F [link]
>this should give you the list of available format codes
>and then you do
youtube-dl -f [code] [link]