Can't find a way to select stroke end cap options

I am trying to make my pen strokes have a round end cap option but I can't seem to find a way to make it work because those options are not present in my stoke panel selections?

I am wondring if it's because I'm using creative cloud or is it because of something else?

Here is a screenshot of a youtube tutorial who has those options available:

And here are my current options with no End Cap in options in sight: