This file is one of the most important files in your WordPress installation. Without it, your WordPress website couldn’t function.
This file provides the basic configuration details for your WordPress website. The wp-config.php file contains important information to make your WordPress website operate, including MySQL database connection settings, WordPress salts & keys, WordPress database table prefix, WordPress language and ABSPATH (the absolute path) to the WordPress directory.
WordPress stores your database information in a file called wp-config.php.
This file is usually located in the document root directory of your domain name.
example, if you have WordPress installed on your primary domain the wp-config.php file will be located in the public_html directory of your hosting account.
You can view and edit the file using File Manager in cPanel or via FTP.