Wordpress: How to install child theme

1. Open the file manager from your hosting (bluehost) cPanel
2. Go to folder, wp-content->themes
• Create a folder, with the same name - child. For example for mystile theme, folder name will be: mystile-chile
• Copy the style.css file from the main theme folder, and edit the style.css folder
1. Change the Theme name to Mystile Child Theme
2. Add a line, Template: mystile (parent theme name). Template name is case sensitive. The name should according to the folder name.
3. Import the styles from the parent theme
4. You can add your customized css style
• Copy the header.php,  footer.php or any other files if necessary into the child theme folder. Never copy function.php file. If you copy function.php file you will see blank page.
3. Now go back to your wordpress admin, wp-admin
1. In the Appearance->Themes you will see new theme name mystile-child

/*
Theme Name: Mystile Child Theme
Theme URI: http://www.woothemes.com/
Version: 1.3.0
Description: Designed by <a href="http://www.woothemes.com">WooThemes</a>.
Author: WooThemes
Author URI: http://www.woothemes.com
Tags: woothemes
Template: mystile

Copyright: (c) 2009-2011 WooThemes.
License: GNU General Public License v2.0
License URI: http://www.gnu.org/licenses/gpl-2.0.html

*/
/* =Imports styles from the parent theme
-------------------------------------------------------------- */
@import url('../mystile/style.css');

/* =Theme customization starts here
-------------------------------------------------------------- */
head + body{
background: url("http://www.bestcarpets.co/wp-content/uploads/2014/06/body-bg-retina-wood.jpg");
background-position: center center;
padding: 0 13%;
}
/*
body.term-carpets{
background: url("http://www.bestcarpets.co/wp-content/uploads/2014/05/body-background1.jpg");
background-position: center center;
padding: 0 10%;
}
*/