Multitasking MS-DOS 4.00 internal work 2.06

Internal Work #2.06
Build of Multitasking MS-DOS 4
Architecturex86 16-bit
Works in

Multitasking MS-DOS 4.00 Internal Work #2.06 is the Beta 1 build of Multitasking MS-DOS 4, which was released to selected Microsoft partners on 5 June 1984. It is the only known beta build of the operating system to be available online. It was shared on 25 April 2024 together with the source code of MS-DOS 4 and drivers designed for this build.[1]

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