Vintage IBM DOS 5.0 Upgrade Kit Disk Operating System Software 3.5″ Floppy Disks

This is an upgrade version, requiring a previous installation of DOS (version 2.1 or higher). CONDITION NOTE: The floppy discs are still sealed in their envelopes as shown in the photos. Compatibility : Supports a wide range of IBM Personal System/2, IBM Personal Computer, PC XT, PC AT, and compatible systems.