WinToHDD Technician 5.8 facilitates Windows installation, reinstallation, and system cloning directly from ISO, WIM, or ESD files without the need for external bootable media. The software supports UEFI/GPT, enables multi-installation USB creation, and allows for direct cloning to new drives [Official Website]. While often associated with third-party, pre-activated distributions, the tool is officially developed by Hasleo Software [Official Website].