You can use third-party GUI-based software to convert a DMG file to ISO format on Windows 11/10. There are several software available on the internet that let you perform the said conversion.

Windows 10 support ends in October 2025. To keep using it, be sure to download and save a crucial file—it’s best to do this ...

The Windows ISO file is too large – Boot Camp Assistant creates a [X] GB installer partition which will contain the files present on the Windows 10 ISO as well as the Boot Camp Support software.

It reads: “This option is for users who want to create a bootable installation media (USB flash drive, DVD) or virtual machine (.ISO file) to install Windows 11.