title: Switch to latest stable version of npm?
body: <p>I upgraded node via brew without any trouble to v7.4.0, however npm won't update, it just stays on v4.0.5 and when I try to upgrade npm using brew I get "<code>Error: npm 7.4.0 already installed</code>", even though if I "<code>npm -v</code>" it shows I have 4.0.5 installed.</p>
  
  <p>How can I switch versions? Not sure what I'm getting wrong exactly. </p>