Below is the step-by-step process to obtain a legitimate Windows 10 Pro 2021 build and convert it into a bootable VHD. Microsoft released several updates in 2021. The most stable versions were 21H1 (Spring 2021) and 21H2 (November 2021).
Microsoft does not distribute ready-to-boot, pre-activated Windows 10 VHD files publicly due to licensing and security policies. The following content explains the legitimate sources and the official method to create your own Windows 10 Pro VHD using tools from 2021. How to Get and Create a Windows 10 Pro VHD (2021 Guide) If you are looking for a Windows 10 Pro VHD (Virtual Hard Disk) file from 2021—whether for virtualization, dual-boot testing, or legacy software validation—you cannot simply download a ready-made VHD from Microsoft. Instead, you must create it using official ISO files. Windows 10 Pro Vhd Download 2021