1) First you will go to YouTube. 2) Search what video you want to Embed.
3) Once you have found and clicked on your chosen video, scroll under it, where the "Share" button is. Then press "Embed".
4) After you press embed, your code will come, copy that so you will be able to paste it in to your file.
5) Paste that copied code into your file. Now your video is ready and embedded!