Hi, can I upload a video to the website without using a url address?

1 I've created my page using the Nicepage desktop app. I've about finished but need to add a video I created to explain the page but I cannot figure out how to upload it as an element, so I can drag...

This option should be able to make the video loop since a short video is uploaded to avoid overweight on the site, but the video ends and the background remains black, ideally it should be...