For the most secure and up-to-date versions, use official HP and Microsoft channels:
You can download the Windows-specific version directly from the Microsoft Store for easy installation and updates. Choosing the Right Version HP PC Hardware Diagnostics - HP Support hp pc hardware diagnostics tool download
The primary HP Diagnostics Download Page hosts all versions, including Windows, UEFI, and 4-in-1 USB tools. For the most secure and up-to-date versions, use