The story of MS-DOS 8.0 is one of the more unusual chapters in computing history because, officially, it never existed as a standalone product. While most enthusiasts remember MS-DOS 6.22 as the final retail version, version 8.0 was a specialized "ghost" operating system hidden inside Windows Millennium Edition (Me). The Hidden Version: Born of Windows Me
The "ISO" versions found online are essentially Windows Me startup disks repackaged with extra utilities. They allow you to boot to a C: prompt without loading the Windows GUI. ms-dos 8.0 iso
Burn to CD-R (use slow speed for old drives): The story of MS-DOS 8
Therefore, any "MS-DOS 8.0 ISO" you find online is technically a "hacked" or "unofficial" build. Enthusiasts have extracted the files from Windows Me and created a bootable ISO to allow it to function as a standalone operating system. Boot from CD/DVD, USB flash drive, hard disk,
COMMAND.COM, kernel, toolsSeparating Fact from Fiction
It is critical to note that Microsoft never released "MS-DOS 8.0" as a standalone product. The binaries contained within these ISOs are intellectual property of Microsoft Corporation.
cdrecord or BraseroBoot in VM (easier for testing):