Use a USB 2.0 Port: The MI4 often fails to sync on blue USB 3.0 or 3.1 ports. Use a black USB 2.0 port or a powered USB 2.0 hub.
Compatibility Mode: Right-click the driver installer, go to Properties > Compatibility, and select "Windows 7." Steinberg Mi4 Windows 10
If you are looking to breathe new life into your MI4, here is everything you need to know about compatibility, drivers, and setup. The Compatibility Challenge Use a USB 2
Once the MI4 is recognized, you may experience "crackling" or dropouts. To fix this: Set your Power Plan to "High Performance." go to Properties > Compatibility
Disable Driver Signature Enforcement: Windows 10 often blocks older drivers. You can disable this via the "Advanced Startup" options in your recovery settings.