: Click Upload , then Add files to select your .mp4 video.

: You can share the video privately using Presigned URLs , which provide temporary access to a file without making it public.

: To ensure the video plays in a browser rather than downloading automatically, you must set the Content-Type metadata to video/mp4 .

To or upload an MP4 file to Amazon S3, you can use the AWS Management Console, CLI, or an SDK. Basic Upload Steps