Ensure you download the version matching your operating system (Windows 10/11 or macOS).
If you're having trouble with a specific error message, tell me: Which are you using? Do you have the original installation CD , or bresser usb digital microscope 20x-350x software
It is generally best practice to install the software driver before connecting the USB cable to prevent Windows from installing a generic, limited driver. Key Features of the 20x-350x Interface Ensure you download the version matching your operating