Choose a video from YouTube that you want to embeded. Make sure the video is appropriate and embedding is there.
Click on the "Share" button below the video and then select "Embed". Copy and paste the embeded code to your html file in neocities.
Create a new HTML file and add basic HTML structure including head and body sections.
Paste the embed code into the body of your HTML file where you want the video to appear.
Create a separate CSS file for styling and link it in the HTML head section.
Use the CSS file to style the page elements like background, text, and layout.
Ensure the video is embedded correctly and test it by opening your HTML file in a browser.