2. Enter "Zhangjiakou Rivers and Mountains Video" in the search bar of the website or application, and click Search.
3. Find the video you want to download in the search results, and click to enter the video page.
4. Copy the URL link address of the video.
5. Open a video download tool, such as YouTube video downloader and iQiyi video downloader.
6. Paste the copied video URL link address into the download tool.
7. Select the download format and quality of the video, and then click the download button.
8. Wait for the video download to complete.
9. After downloading, you can find the downloaded video file in the save path specified by the download tool.