here are the steps to embed a YouTube video on Facebook:

1. Go to your YouTube channel or any other YouTube channel and open the video that you want to embed into Facebook.
2. Click the video URL located in the browser right at the top of your screen and copy the URL.
3. Now go to your Facebook profile and from the horizontal menu bar, hover or click on the More dropdown section.
4. Click on "Create Post".
5. Paste the copied URL into your post.
6. Wait for Facebook to generate a preview of the video.
7. Add any text or description you want to include with the video.
8. Click on "Post" to publish your post.