First Microsoft | Os

Microsoft did not actually code its first mainstream OS from scratch. Instead, Bill Gates and Paul Allen looked to a local company, Seattle Computer Products (SCP). A developer named Tim Paterson had written an operating system called 86-DOS (originally named QDOS, or Quick and Dirty Operating System) to run on 8086 processors. 86-DOS was structurally designed as a clone of Digital Research's popular CP/M operating system.

Microsoft's first operating system was , released in August 1981 alongside the IBM PC. At the time, IBM needed an operating system for their upcoming personal computer and turned to Bill Gates and Paul Allen. Microsoft, however, didn't have one ready. first microsoft os

When we look for the "first Microsoft OS," most people mistakenly point to Windows 1.0 (1985). However, the true origin story begins a decade earlier, in 1975, with a product built on a lie, written in a hurry, and destined to ignite the personal computer revolution. Microsoft did not actually code its first mainstream

They called the manufacturer, MITS (Micro Instrumentation and Telemetry Systems), based in Albuquerque, New Mexico. Gates and Allen claimed they had developed a version of the BASIC programming language that could run on the Altair’s Intel 8080 microprocessor. 86-DOS was structurally designed as a clone of

Altair BASIC set the trajectory for Microsoft's future dominance.

The success of Altair BASIC led to the founding of "Micro-Soft" (the hyphen was dropped later) on April 4, 1975.