Copy this code

https://drive.google.com/uc?export=download&id= 

• Upload the video to Google Drive.

• Right-click on the video file and select "Get link."

• In the sharing settings, set the visibility to "Public" or "Anyone with the link."

• Copy the file ID from the shared link (the string of characters after https://drive.google.com/file/d/ and before /view).

• On your Google Site, go to the "Insert" panel and select "Button" to create a new button.

• Paste the file ID into the button’s "Link" field.

• Click "Insert" to add the button to your page.