If you are using the newer UGR 89 chipset, ensure you download the version 8.9 driver for better NavIC (Indian satellite) support.
The following official and authorized sources provide the latest driver packages for the UGR 86: Download from Radium Box
Download via IndiaMART / Hardwiz (See link in PDF) Aadhaar Support Portal: Download from SureEase Step-by-Step Installation on Windows 10
Click through the "I accept" and "Next" prompts until you see the "Finish" button.
Plug the UGR 86 into a standard USB port. Windows should now automatically assign it a COM port.
Check the LEDs on your device to confirm it is working properly: Power is ON.
The UGR 86 is often marketed as "plug-and-play," but for Aadhaar (ECMP/UCL) software to recognize it, you typically need to install specific drivers.
Always connect the device under an open sky or near a window for the initial satellite lock.