This link is unsafe. It disregards standard web security protocols and points to an executable file with an irregular URL path. Treat it as malicious until proven otherwise by an official source.

The URL http://www.51scope.cn/files/setup.rar provides the ViewPlayCap software driver for USB digital microscopes and endoscopes. Installation requires extracting the .rar file and configuring the "Device" menu in the application to recognize the connected hardware. For instructions on setting up this hardware, you can refer to the manual at Mantech . Customer Questions & Answers - Amazon.com