How to install the PHP package carlcs/craft-pushovernotificationchannel from Packagist with Composer

By Where is my PHP package

PHP
Composer
Packagist
carlcs/craft-pushovernotificationchannel

Run the following command to install the package and its dependencies. The require command adds new packages to the composer.json file from the current directory.

composer require carlcs/craft-pushovernotificationchannel