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What is the first software created by Microsoft?

DOS


When was software first developed by Microsoft?

I believe the first was MS-DOS or Microsoft Disk Operating System.


What was the first widely used multiuser or multitasking OS?

Microsoft's first operating system was MS-DOS 1.1. MS-DOS was based on the operating system 86-DOS which was purchased by Microsoft. Microsoft licensed MS-DOS 1.1 to IBM who resold it as PC-DOS 1.0.


What was the first software program that Microsoft developed?

D.O.S. it is an operating system, it is the base for windows. That is incorrect. DOS was not their first product. Their first program was ALTAIR BASIC in 1975. DOS wouldn't come around until the release of the IBM PC in 1981.


What was the first Microsoft Windows program?

It was actually operating system: MS-DOS.


How much money did Microsoft pay to buy DOS?

The Disk Operating System that became MS-DOS is claimed to have come from work done by Digital Research. What money changed hands when Microsoft bought DOS would normally be 'commercial in confidence' or do not ask.


Who was the first founder of DOS?

Tim Paterson was the original developer of QDOS, the system that Microsoft purchased and developed further into MS-DOS.


When did Microsoft first sell Windows?

Microsoft first released Windows for sale on November 20, 1985. Windows 1.0 was an extension of MS-DOS and was not very popular.


When was the first OS made?

the first OS was made by Microsoft called MS-DOS, released in July of 1981.


Dos command line to start Microsoft antivirus?

Dos command line to start Microsoft anti virus?


When did Microsoft create ms-dos?

Microsoft did not create MS-DOS. They purchased the rights to 86-DOS, modified the kernel to meet the specifications of IBM, and released this updated version as MS-DOS 1.0.


Did Microsoft invent DOS?

yes