When a Mac is unavailable, Windows users can utilize specialized software to bridge the gap between Windows file systems and Apple's HFS+/APFS formats.

Creating a bootable macOS USB installer from a DMG file depends on whether you are using a Mac or a Windows PC. On a Mac, the standard method involves extracting the "Install macOS" app from the DMG and using the native createinstallmedia

Use the dd command (disk duplicator). Be extremely careful.

Creating a bootable USB installer for macOS is an essential skill for IT professionals, developers, and everyday Mac users. Whether you need to perform a clean install, downgrade your operating system, troubleshoot a corrupted drive, or install macOS on multiple machines, a bootable USB drive is your most reliable tool.

Wait for the copy to complete.