There are several ways to download videos.

First, download with download software, such as Tang Wei and Thunder. Most square dance videos can be downloaded by Tang Wei.

Second, install client downloads of websites, such as Youku and Tudou.

Third, after some playing software is played, the video is in the computer, just find it, such as fast broadcast.

Fourthly, some videos can be copied to the browser's cache after play online.

Fifth, some websites' videos can't be downloaded by the above methods, but they can be recorded. Of course, the definition will be worse.

Personal experience is for reference only.

Tang Wei is in charge of the software of 360 Guardian.

Of course, it can also be easily found under Baidu.

Please accept the answer and support me.