The WordPress admin bar is already included in the WordPress core, so you don't need to add it. By default, it will appear at the top of the page when you are logged in as an admin or an authorised user. However, if you want to customise the admin bar, you can add new menus, links, or remove existing ones by using hooks and filters in WordPress. Here's an example of how to add a new menu item to the WordPress admin bar: Open your functions.php file in your child theme or create a new plugin file. Add the following code: function custom_admin_bar_menu() {    global $wp_admin_bar;    $wp_admin_bar->add_menu( array(       'id'    => 'custom-menu-item',       'title' => 'Custom Menu Item',       'href'  => '#'    )); } add_action( 'wp_before_admin_bar_render', 'custom_admin_bar_menu' ); Save the file and refresh the page. This will add a new menu item called "Custom Menu Item" to the WordPress admin bar. You can customise the ID, title, and URL to fit your needs. Note that adding or modifying the WordPress admin bar requires some coding knowledge, so it's recommended to create a child theme or a plugin to avoid losing your changes when updating your theme or WordPress core.