This MS-DOS 5 Upgrade comes on 3 floppy disks (3.5" format). It allows end-users to upgrade from an older version of DOS. These disks are not bootable. You must have DOS already installed or a separate DOS boot disk available. Version 5 was the last DOS (Disk Operating System) release that IBM and Microsoft worked on together. Comes as pictured with no documentation
System Requirements: PC with an 8088 or higher processor, 512 KB of RAM, and a low-density 3.5" or 5.25" floppy disk drive.
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