I would start at the home page, instead.

  1. http://cordova.apache.org/
  2. Click 'Download'
  3. Click the link in "[For the] npm version see the Command-Line Interface section [..]"

There's the same set of instructions listed in my comment above.

http://cordova.apache.org/docs/en/5.0.0//guide_cli_index.md....