The scsa4601eu driver windows 10 does exist, but it is no longer distributed by Microsoft by default due to the proliferation of counterfeit chips. Your success hinges on using the and either disabling driver signature enforcement or installing it via manual INF selection.
Do not use "Driver Booster" or similar tools for this device. They often install the latest Prolific driver, which will deliberately break your legacy SCSA4601EU adapter.
Locate the hardware ID: In Device Manager, right-click the device > Properties > Details > Hardware Ids.
With Microsoft’s strict driver signature enforcement in Windows 10 (especially versions 1709 and later, plus Windows 11), getting this older hardware to function correctly can be a challenge. This article provides a step-by-step guide to finding, installing, troubleshooting, and updating the effectively.
If you're unable to find the driver on the Silicon Laboratories website or prefer a simpler approach, you can try using the built-in Windows 10 driver:
Windows 10 is generally very good at finding drivers automatically, provided it has an active internet connection.