8K Video Downloader provides different ways to download videos even they are private or are behind accounts. There are two ways to download secure/private/age-restricted videos with 8K Video Downloader.
Watch and Download
With this feature, you can browse, watch and download videos with a built-in browser. The interface is straightforward with all the control needed to control your browser over the YT website. You can right-click on any video link and choose the Download this video option to start downloading it.
Whats New
Updates: official site does not provide any info about changes in this version.

HOMEPAGE:

https://www.8kvideodownloader.com/

https://rapidgator.net/file/51fd208ba7c06d60c479a388267f846b/8K_Video_Downloader_15.0.rar
https://uploadgig.com/file/download/585630D02bed2437/8K_Video_Downloader_15.0.rar