Creating a child theme is generally the best practice for modifying or customizing an existing theme. However in a couple of cases there may be another, easier way, especially for beginners and non-coders.
Why Use A Child Theme?
If you need to modify your WordPress theme by editing any of the code, a child theme provides a way for you to do this safely. By “safely” I mean that it enables you to keep all your modifications separate so that you can continue to update the main, or parent theme in the future.
Let’s break that down a little further.
A theme is a set of files that lives on your server. In the screenshot below, I’m using an FTP program to look at my server but you would see the same thing if you used the File Manager from inside your web hosting cpanel. Once you navigate to the
wp-content folder you will then see the themes folder. Within that you’ll see a folder for each theme you have installed. In the screenshot below you can see some of the files and folders that comprise the Twenty Thirteen theme: