Methods:
1, Baidu search square dance.
2, select the square dance video book.
3, click to open the web page.
4, click on the first video.
5, click one click to download HD video.
6, click on the browse, change the download location to the U disk and click download.
7, if the download to the hard disk, insert the U disk, right-click the downloaded video file - send to U disk.