If you used VirtualBox (which defaults to .vdi), you can convert it:
For users looking for alternatives to download or use Windows 8.1 in a virtual environment, consider the following options:
Windows 8.1, released in 2013, is an operating system developed by Microsoft as part of the Windows NT family. It aimed to address criticisms of Windows 8, incorporating several new features and improvements. One of the technical aspects of Windows 8.1 is its support for Virtual Hard Disk (VHD) files, which allow users to create virtual hard drives that can be used for various purposes, including running multiple operating systems on a single physical machine. windows 81 vhd download link
If you are a developer or tester with an active Visual Studio subscription, the Windows 8.1 ISO (including with updates) is available in the “Downloads” section.
Searching for "Windows 8.1 VHD Download Link" often leads to dead ends or dangerous websites. The file you are looking for does not exist on Microsoft's public servers in VHD format. If you used VirtualBox (which defaults to
Right-click This PC > Manage > Disk Management [1].
If you need a for testing, switch to Windows 10 Enterprise Evaluation VHD — still officially provided by Microsoft here: 🔗 Microsoft Evaluation Center – Windows 10 Enterprise VHD If you are a developer or tester with
Because VHD downloads are hard to find, many users prefer creating a fresh VHD by installing the OS from an ISO file. Windows 8.1 - Installation in Virtualbox