We download videos in online class as follows: 1. Open massive open online courses to find the video you need, and just open the details page of the video you want to play. 2. Click on the logo of uc in the upper left corner of the browser-> Click Tools-> Click on the developer tool; If it's too much trouble, you can press F 12 directly. 3. Then select the "Network" option in the console. 4. Enter mp4 in the console text box, click F5 to refresh the page, and then right-click the address. 5. Select the open link in the new tab, click to jump to the new page, then copy the address of the address bar, then open Tang Wei software to create a new download task, then rename the input file name, and click Download to be OK.