The product is the original IBM PC DOS 7 operating system on 3.5" HD floppy disks. This version of DOS is specifically designed for IBM PC compatible computers and comes in English language with a minimum hard drive space of 6 MB and 512KB of RAM required for installation. The license category is retail, making it a commercially available product. This vintage operating system is ideal for those looking to experience the classic DOS functionality on their computer. Made in the United States, this product includes the necessary floppy disks to get started with the IBM PC DOS 7 operating system.