You can install Navigation via the plugin store, or through Composer.
To install Navigation, navigate to the Plugin Store section of your Craft control panel, search for Navigation
, and click the Try button.
You can also add the package to your project using Composer and the command line.
Open your terminal and go to your Craft project:
cd /path/to/project
Then tell Composer to require the plugin, and Craft to install it:
composer require verbb/navigation && php craft plugin/install navigation
You can try Navigation in a development environment for as long as you like. Once your site goes live, you are required to purchase a license for the plugin.
For more information, see Craft's Commercial Plugin Licensing (opens new window).