As part of Microsoft’s commitment to improving Windows quality through more predictable and reliable update delivery, we are introducing a new capability that will give submission owners control over...

We're making improvements to how the Windows Hardware Dev Center (HDC) handles driver OS compatibility. These changes will help reduce driver installation failures caused by drivers being offered to ...

Today, HDC signs all files contained in a submitted driver package (.cab/HLKx), regardless of whether they are referenced by the INF.  With the upcoming change, any files in a submitted package that...

In November, Hardware Dev Center enforced stricter driver isolation requirements using the existing InfVerif /h validation. While InfVerif /h is already in use across WHCP and Attestation workflows, ...

  4/13/26 Update for partners experiencing challenges regaining access to the Hardware Dev Center We've heard your feedback. We know that some partners whose accounts were suspended following Acc...

Note: This blog is intended for Microsoft partners who submit UEFI binaries for signing—such as OEMs, IHVs, ISVs, and other device builders. If you are a Windows IT administrator or enterprise custom...

Microsoft is pleased to announce that a refreshed HLK for Windows 11, version 24H2 and Windows Server 2025 is available starting July 8, 2025. This release of the HLK contains only infrastructure c...

The Hardware Lab Kit (HLK) packaging component is important for reading, writing, and packaging test results, as well as submitting drivers to the Hardware Dev Center (HDC) portal for certification a...

This blog post is intended to notify all Windows Hardware program partners that Microsoft has taken a strategic initiative to clean up legacy drivers published on Windows Update to reduce security an...

Preproduction driver signing  The Windows Hardware Program supports partners signing drivers for use in pre-production environments. The CA that is used to sign the binaries for use in pre-producti...