If your microscope supports high resolutions (like 1080p or 2K), the basic setup.rar found on older links might be an outdated version that limits you to 480p or 720p.
If a user manually fixes the string to something like http://www.51scope.cn/files/setup.rar and installs “ViewPlayCap,” they may encounter: If your microscope supports high resolutions (like 1080p
Install:
How to Install and Use ViewPlayCap from the Setup Package If your microscope supports high resolutions (like 1080p