Microsoft maintains a searchable database where this version is listed under the internal version number 20.19.15.4463 .
The is a legacy software package designed to support specific generations of Intel processors and their integrated graphics units. While newer versions like 15.40.5171 are now available on the official Intel Download Center , users often seek this specific build (4463) for stability or compatibility with older hardware. Download Links for Driver 15.40.25.4463
It improved performance for Intel NUC boards and kits (e.g., NUC5i7RYH). intel driver xxxx154251 download link
The direct original posting for the 15.40.25.4463 release was shared by Intel staff to address specific Windows 10 scaling issues.
It addressed display flickering and graphics corruption specifically on 6th Gen processors and Iris Graphics 540. How to Install the Driver Microsoft maintains a searchable database where this version
Since this is an older release, it may be harder to find on the main Intel support pages. You can find the downloads through these trusted repositories:
Dell provides this version for many of its laptops and desktops; it is available via the Dell Driver Details page . Compatibility and Supported Hardware Download Links for Driver 15
This specific update was notable for fixing several long-standing issues: