REAL,NON-REMASTERED, TRANSFERED FROM PHYSICAL FLOPPY DISKS TO VIRTUAL.RUNS IN VIRTUAL BOX
after you have started the VM, choose MS-DOS-6-2\setup\setupdisk1
after that download normaly your MS-DOS copy until it asks you to put setup b (setupdisk2)in the drive
go to the VM ribbon
devices\floppy drives\remove virtual floppy disk\setupdisk1
and then
\floppy drives\Choose disk image
and choose setupdisk2
do the same for setupdisk3
ENJOY!!!