Follow these steps to embed a service-hosted video, like from YouTube, into your website.
First, find the video you want to embed on the video hosting site (e.g., YouTube).
Once you've opened the video, look for the 'Share' button below the video.
Click on the 'Embed' option and copy the code that appears in the box.
Paste the copied embed code into your HTML file where you'd like the video to appear.
Save the HTML file and open it in your browser to view the embedded video.