First Microsoft Os !free! Online

This moment established the commercial software industry. Before Microsoft, software was largely seen as something that came free with hardware. Gates argued that software was intellectual property—a standalone product worth paying for.

MS-DOS 1.0 was not originally written entirely by Microsoft. Microsoft bought (Quick and Dirty Operating System) from Seattle Computer Products for $50,000, hired its author Tim Paterson, adapted it for the IBM PC, and renamed it MS-DOS. IBM sold it as PC-DOS 1.0 . first microsoft os

Altair BASIC set the trajectory for Microsoft's future dominance. This moment established the commercial software industry

They worked in a frenzy. The programming was tight—memory on the Altair was severely limited (4KB of RAM), meaning every byte counted. The code had to be efficient enough to run on such primitive hardware. MS-DOS 1

However, this first OS also birthed Microsoft’s first major controversy: