1. Click on “Add a featured image”
First go to a web page or blog post. Next, click “set featured image” in the right hand side bar.
2. Choose your image
Choose your selected featured image.
3. Add a title/caption
Add a title and optional caption to your image .
4. Add alt text
Add alt text to your image to make your image search engine friendly.
5. Select Image
Click the “select” button in the bottom right corner to set your featured image.
6. Click on “Save Draft”
When happy with your featured image click save draft or update your page if already published.