1, you can download and install Youku client: When watching Youku video, the "Download" button will jump to the client to download, install and open it, and then watch the "Download" button below Youku video. Only videos marked "Download" in blue can be downloaded.
2. Download the latest Thunder. After seeing the video (not the advertisement of Youku Jia), click the down arrow in the upper right corner and it will be automatically detected. When the test is finished, click Download Now. You must turn on the lightning.