How to create a child theme in wordpress?

• 
  
  Create a directory in your themes directory to hold the child theme. The theme directory is wp-content/themes. You should name the directory without any space as part of the name, and it is common practice to use the name of the parent theme folder with “-child” appended to it. For example, if you are making a child of the twentythirteen theme, your folder name would be twentythirteen-child.

• In the child theme directory, create a file called style.css. This is the only file required to make a child theme. The style sheet must start with the following lines:

/*
 Theme Name:     Twenty Thirteen Child
 Theme URI:      http://example.com/twenty-thirteen-child/
 Description:    Twenty Thirteen Child Theme
 Author:         John Doe
 Author URI:     http://example.com
 Template:       twentythirteen
 Version:        1.0.0
*/

@import url("../twentythirteen/style.css");

/* =Theme customization starts here
-------------------------------------------------------------- */