This is a complete system disk and user guide for Microsoft MS-DOS version 5.0. It includes 5.25 and 3.5 floppy disks, and is compatible with MS DOS 5.0 and Microsoft DOS. The minimum requirements for the system are a 66 MHz processor, 512 MB RAM, and 100 MB of hard drive space. The package also contains a guide book, and the language used is English. The operating system is in a floppy 3.5? format, and the unit comes as a complete system with one device. The categories that this product belongs to are computers/tablets networking, software, and operating systems. Please view all photos. Zoom in on photos for a close-up view. Thank you for your support! I work hard to provide the best customer service possible. If there are any issues with a purchase, PLEASE CONTACT ME directly through messaging. I will always do my absolute best to resolve any issue and be honest and fair in any situation. IF YOU BUY MULTIPLE ITEMS FROM ME - PLEASE utilize the cart feature pay for everything at one time! This saves you time helps me save on fees and keep my pricing low! FAST SHIPPING!!! THANK YOU SO MUCH FOR CHECKING OUT MY STORE, PLEASE COME BACK!?