Rather than searching for the specific "15.4251" string, use the Intel® Driver & Support Assistant (DSA)
Since this is a legacy driver, you may not find it immediately on the front page of Intel's download center. Follow these steps to obtain it: intel driver version xx.xx.15.4251 download
If the executable installer throws an error stating "the driver being installed is not validated for this computer," you must install it manually: Rather than searching for the specific "15
This method is foolproof—no risk of downloading the wrong driver. intel driver version xx.xx.15.4251 download
Best for automated installation. Highly recommended for average users.
The easiest way to get the correct version is to let Intel's official tool scan your system. Intel® Driver & Support Assistant
Example (for version – Windows 11/10 64-bit):