How to put square dance video on USB flash drive

The operation method of downloading the square dance video to the USB flash drive is as follows:

First, turn on the computer, insert the USB flash drive into the computer hard disk, and then turn on the square dance video and download it directly and save it on the USB flash drive.

Second, download the video of the square dance to the mobile phone, then send it to the computer through QQ, insert the USB flash drive into the computer, and then copy the video to the USB flash drive.