The setup.rar file from www.51scope.cn provides driver software for USB endoscopes and digital microscopes, installing the ViewPlayCap application to enable live video viewing and image capture. The installation involves extracting the archive and running setup.exe, followed by device selection in the software to enable the preview. Detailed operating instructions can be found in a user manual from Amazon.com Customer Questions & Answers - Amazon.com . USB Endoscope app Android 10+ - Apps on Google Play
The update file might be separate. Look for a file named patch.exe , update.msi , or inside an Update folder. Alternatively, the software may have reached end-of-life. The setup