This is an overview of how to install CodeIgniter 4 using Composer. Along the way we cover the two CodeIgniter repos you should know about, what the .env file is for and why you should use it, and how to use CodeIgniter's built in server for local development use.
Learn more about CodeIgniter 4 in my book, CodeIgniter 4 Foundations, available at https://leanpub.com/codeigniter4found...