If you're not comfortable with any of this, you can skip to Method 2, which showcases a powerful but user-friendly tool that does it all for you. You don't really need any experience with disk images or command line work, but it will certainly help should something go wrong. This ISO file is then burned using a command line execution in Command Prompt. This approach utilizes a tool called DMG2IMG, which converts DMG file into ISO, the universally more compatible archive format.
Method 1: How to Create Bootable DVD from DMG (Command Prompt)
This article explains two different methods to burn DMG files to amake bootable macOS installation DVD in Windows. That's why you need third-party utilities to create a bootable DVD from DMG on Windows. If you're on a Windows machine, you're limited in what you can do with DMG files. It consists of data blocks that represent a physical disc. A DMG disk image file is Apple's container format for capturing entire drives or disks, similar to ISO for other platforms like Windows.