As Drupal has evolved, the community has shifted away from manual ZIP downloads in favor of a modern, PHP-based dependency manager. If you are looking to build a site with Drupal 9, using Composer is the only recommended way to ensure your core files, modules, and themes stay in sync.

To actually perform the update to the latest stable version of Drupal 9: composer update drupal/core-recommended --with-dependencies Common Troubleshooting Memory Limit Issues

: Drupal 9 requires PHP 7.3 or higher (PHP 8.0+ is recommended).

: This is the name of the folder Composer will create. Step 2: Understanding the Directory Structure

composer create-project drupal/recommended-project:^9 my-drupal-site What this command does: : This is the template name.

: Ensures the same versions are used across dev and production. Prerequisites

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