Always verify the SHA-256 hash of any downloaded ISO or VHD against known Microsoft values to ensure the image has not been tampered with.
As of my last update, Microsoft no longer provides direct download links to Windows 8.1 VHD files from its official website. The evaluation versions of Windows 8.1 have reached their end-of-life (EOL), which means they are no longer supported or available for download through official channels. windows 81 vhd download link
You can create a dynamic VHD using built-in Windows tools or your preferred virtualization software (VirtualBox, VMware, Hyper-V). Always verify the SHA-256 hash of any downloaded
: Download the Official Windows 8.1 ISO and convert it into a VHD for use in VirtualBox or Hyper-V. windows 81 vhd download link