The Vintage Microsoft Windows 3.0 Retail Box includes 6 discs in 3.5" floppy format, a booklet, and is designed for operating systems requiring a minimum of 64 MB of RAM and a processor speed of 80286 or higher. Made in the United States, this standard license operating system by Microsoft is a piece of computer history that offers a nostalgic look back at the early days of personal computing. With less than 50 MB of hard drive space needed, this unit is a sought-after collectible for those interested in vintage computing technology.