New answers tagged contact
If you install Jetpack which is a product of Automattic/WordPress you will then have the form feature you mention in the link you provided. http://jetpack.me/support/contact-form/
That isn't Core. The tutorial is using a plugin, or something built into the theme. You don't need to use a plugin, but if you don't you will need to code your own form and form handler.
Top 50 recent answers are included