Don't just upload the raw file to your site (it's heavy). Use YouTube , Vimeo , or Google Drive and embed it.
If it was in a specific tutorial or news article, let me know so I can help you track down the actual content! Download videos from my personal blog - Blogger Community Download VID 20220824 WA0007 mp4
If you have the file and want to publish it professionally, here is a quick "proper" workflow: Don't just upload the raw file to your site (it's heavy)
However, I can help you with what you might be trying to do: 1. If you are trying to download this video from a blog Download VID 20220824 WA0007 mp4
the video player and selecting "Save Video As..."