You can manually create a wp-config.php file by locating the sample file named wp-config-sample.php (located in the root install-directory), editing it as required, and then saving it as wp-config.php. The WordPress setup process will create a wp-config.php file for you based on the information you provide. When you first download WordPress, the wp-config.php file isn’t included. This file is located in the root of your WordPress file directory and contains your website’s base configuration details, such as database connection information. One of the most important files in your WordPress installation is the wp-config.php file. Disable Plugin and Theme Update and Installation.