This is a brand new, sealed Microsoft MS-DOS 4.01 operating system for Arche Personal Computers. It is a 5.25 inch floppy disc format with an English language interface. The retail license category allows for installation on a single device with a minimum of 256 K RAM and less than 50 MB hard drive space.

The Microsoft MS-DOS operating system is designed for use with Microsoft DOS operating systems and is compatible with Arche Personal Computers. This software is perfect for individuals or organizations looking to run older applications that require this specific version of MS-DOS.