How to add featured image?

Metabox should be visible on the on the Edit Post and Edit Page screens. If it isn’t, make sure “Featured Image” is enabled in the screen options on the top right.

After clicking the “Set featured image” link follow the same steps as inserting images in Posts and Pages. Once you have selected the featured image and determined the image settings, click on the blue “Set featured image” button, to set it as the featured image for your page or post.

wordpress featured image