However, there is one notable exception: (formerly DreamSpark) used to offer a "MS-DOS 6.22 ISO" to developers. But that image was unbootable—it contained the installation files, but you still needed a boot floppy.
Several reputable abandonware archives host verified, bootable ISOs. download ms dos 6.22 bootable iso
MS-DOS 6.22 was the last standalone version of Microsoft’s Disk Operating System (before Windows 95 integrated DOS 7.0). It introduced: including MS-DOS 6.22.
Leo exhaled. The command prompt appeared: download ms dos 6.22 bootable iso
: A well-known repository for various boot disc images, including MS-DOS 6.22.