A child theme is very important if you wish to write any custom codes like CSS, JS, HTML or PHP in WordPress theme. A child theme can be created for all WordPress themes.

Below are the steps that you need to follow to install a child theme on top of its parent theme. Please make sure you have installed a parent theme before installing a child theme.

• Navigate to Dashboard > Appearances > Themes
• Click Add New button at the left top
• Click select & choose .zip file of your child theme
• Click upload. Once you click upload button child theme will get installed automatically.
• Now click activate
• Done.