Microsoft MS-DOS Step-Up 6.0 to 6.2 High Density 3.5” Floppy Upgrade Disc Sealed

MS-DOS 6.0 Upgrade Operating System 3.5" Floppy Discs Sealed New In Box

MS-DOS 6 Upgrade Floppy’s Included

Vintage Microsoft MS-DOS 6.0 Upgrade Operating System 3.5" Disc

Microsoft MS-DOS 6 Upgrade Vintage 3.5" disks Brand New Factory Sealed 1993 NOS

Microsoft MS-DOS 6 Upgrade - 3.5" Disks, Manuals w/ DOS v6.2 Disks

Microsoft MS-DOS 5 Operating System Upgrade 3.5" floppy disks NEW SEALED

Microsoft MS-DOS 6.22 - Installer Floppy Disks - 3.5" 1.44MB - DOS 6.2 3 disks