how to create a child theme in WordPress

1. 1. Create a Theme Folder
   2. Create style.css
   3. Add Header Information to style.css

/*
Theme Name: "name"
Author: "name"
Version: 1.0
Template: name
*/

1. Create functions.php (Optional)

<?php //
add_action( 'wp_enqueue_scripts', 'theme_enqueue_styles' );
function theme_enqueue_styles() {
    wp_enqueue_style( 'parent-style', get_template_directory_uri() . '/style.css' );

}