After copying the Embed code, Go back to your website editor and Add a RAW element by adding section first. (Click on the blue colored + button to add a section).
Now, choose RAW element.
Click on the Raw element to open the code editor. (Don't worry, you don't need any programming skills 😃)
Click on Edit RAW
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Paste the Embed code into the Code editor and click save.
That's it. Publish your website and Video will be available on your website.
You can customize Background and embed size etc from Settings.