Setting up a secure environment in VirtualBox or VMware. Official Methods to Obtain Windows 8.1 ISO (Recommended)
Get-FileHash C:\Users\Username\Downloads\Windows8.1.iso -Algorithm SHA256 Use code with caution. Press . Index Of Windows 8.1 Iso
If you need to install Windows 8.1 but don't have a product key for your specific edition, you can use one of these generic setup keys. These are official Microsoft keys that allow the installation to proceed but your copy of Windows. Setting up a secure environment in VirtualBox or VMware