4 ((top)) - Download Composer Codeigniter

Before downloading, ensure your development environment meets the following baseline requirements as of 2026:

If you already have a project directory and want to integrate CI4, use: composer require codeigniter4/framework Use code with caution. download composer codeigniter 4

Using Composer to install CodeIgniter 4 (CI4) is the industry-standard method because it automates dependency management and makes future framework updates as simple as running a single command. download composer codeigniter 4

This guide provides a comprehensive walkthrough for setting up CI4 via Composer. download composer codeigniter 4

There are two primary ways to "download" CI4 using Composer: starting a fresh project or adding it to an existing one.

Version 8.1+ (8.4 is recommended for the latest v4.7.2).