Withings Home, I can Not Save the video Downloads? Why and or how?

This sounds like related to what they called CVR. You should check your subscription if it is still up or contact customer service to check it for you. I just read an article about it: https://support.withings.com/hc/en-us/articles/204201867-Home-Frequently-asked-questions-about-the-Cloud-Video-Recording#savevideo.