What is the Heroku CLI and how do I install it?

The Heroku CLI, or Command Line Interface, is a powerful tool that allows developers to manage and control their Heroku apps directly from the command line. It provides a seamless way to create apps, deploy code, scale resources, manage add-ons, and perform various other tasks. To install the Heroku CLI, you need to follow a few simple steps. First, ensure you have the latest version of the Heroku CLI compatible with your operating system. Next, download and run the installer package. During installation, select the appropriate options for your needs. Once the installation is complete, open a terminal window and verify that the Heroku CLI is correctly installed by running the 'heroku --version' command. If installed successfully, this command will display the version number, confirming that you are ready to start utilizing the Heroku CLI.