Here is the software website:
https://www.iskysoft.com/itube-studio-windows.html
($29)
I was on a public computer and was able to download a complete video from following site using the trial version:
http://www3.nhk.or.jp/nhkworld/en/vo...ight/20161111/
I can use youtube-dl and download it for free on my own Windows 7 computer, but on this public computer I can't use youtube-dl because the command line window is disabled.