Here's how to do it:
- Direct yourself to your WordPress admin account. Click on "Posts" and select "All Posts."
- Select the post you want to edit, then proceed to embed the iframe as needed.
- In your post, scroll to the section where you want to insert the iframe.
- Click on the plus icon.
- Search for html and click "HTML Custom HTML."
- Head over to the video of choice and click "Share."
- Choose the "Embed" icon to generate the embed code.
- Copy the code by clicking "Copy."
- Paste the embed code into the designated space.
- Hit the "Preview" button to see how it appears. and click "Save" on the upper right corner of the screen.