Did Microsoft gains market share by innovation?
The sad truth is that Microsoft gains some of its market share by shady back-room deals and by threatening and intimidating its own customers.
Is Windows 95 is innovative?
The alleged innovations in Windows'95 were "borrowed" from other operating systems.
Microsoft invented DOS?
There were many Disk Operating Systems before Microsoft. IBM had DOS for its then-small System/360 mainframes as far back as 1964. The DOS that we know and hate today was not even written by Microsoft.
Seattle Computer's SC-DOS becomes MS-DOS