Look for the "Download" (下载) tab in the header menu.
The file is usually provided as a .zip or .exe file. If it is a zip file, right-click and "Extract All" before attempting to run the installer. 2. Driver Installation wwwjendoscopecnendownload smartcamera link
Try a different USB port. If you are using a desktop, use the ports on the back of the machine (directly on the motherboard) rather than the front panel ports. Look for the "Download" (下载) tab in the header menu