Are you trying to install it on a or an iPad ? (Note: The full configuration tool is for Mac only ). Intro to Apple Configurator for Mac
Even with the correct process, errors occur. Here is a troubleshooting guide for DMG-related failures. apple configurator dmg file
The is a specialized disk image used primarily for the deployment and management of iOS, iPadOS, and tvOS devices within enterprise and educational environments . While Apple Configurator is officially distributed through the Mac App Store , the DMG (Apple Disk Image) format serves as a vital alternative for offline installations, mass imaging, and administrative archiving. The Role of Apple Configurator Are you trying to install it on a or an iPad