✔ 最佳答案
If the download video is in "avi" format, you need to use the corresponding media player to watch. One freeware I suggest you considering is named Free AVI Player, and the downloading webpage is below:
http://www.brothersoft.com/avi-player-download-57502.html
You may download it and attempt. I am confident your problem can be solved, and you can watch the online videos in your car.
Hope I can help you.
參考: Mathematics Teacher Mr. Ip