How To Create or Set up VHD(Virtual Hard Disks) on Your PC
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How to make Portable Windows 10 VHD on Bootable USB no Format/Partition Quick & Easy
VHD is a file format which represents a virtual hard disk drive (HDD). It may contain what is found on a physical HDD, such as disk partitions and a file system, which in turn can contain files and folders. It is typically used as the hard disk of a virtual machine.