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86-DOS is licensed by Microsoft
Microsoft's first ever Operating System license was purchased from Seattle Computer Products for $25,000.
Source: https://www.computerhope.com/history/dos.htm -
Period: to
A History of Windows Operating Systems
A Timeline of advancements in Windows OS -
PC-DOS 1.0 is released officially by Microsoft
The Operating System that Microsoft had purchased from Seattle Computer Products; 86-DOS, was re-branded as an operating system for the IBM PC. Source: https://www.computerhope.com/history/dos.htm -
MS-DOS 1.25 releases
Releasing 1 year after PC-DOS 1.0, this Digital Operating System was the first ever version officially titled MS-DOS. Source: https://www.computerhope.com/history/dos.htm -
MS-DOS 2.0 releases
This version of MS-DOS was released for the IBM PC XT, it introduced support for hard disk drives.
Source: https://www.computerhope.com/history/dos.htm -
Microsoft releases MS-DOS 3.1
With the introduction of 3.1, Microsoft also reveals that 3.1 will include support for Local Area Networks. Source: https://www.computerhope.com/history/dos.htm -
Microsoft releases Windows 1
Microsoft introduces the first incarnation of the windows saga, released as an OS for Apple's Macintosh. Source: https://www.theguardian.com/technology/2014/oct/02/from-windows-1-to-windows-10-29-years-of-windows-evolution -
Windows 95 launches
With the release of Windows 95, Microsoft releases a whole slew of new features, such as a new Operating System instead of a graphical interface running on top of MS-DOS. Source: https://www.cs.umd.edu/hcil/muiseum/systems/win95.html -
Windows XP releases
After windows xp released, it became very popular for its ease of use and its reliability, this is because it was aimed at both business and consumer markets. Source: https://www.itproportal.com/2015/05/26/heres-why-windows-xp-was-so-damn-good/ -
Windows Vista launches
The beginning of Vista's release was off to a shaky start as it had many glaring issues, such as how much space it took up on the computer, badly written 3rd party drivers, and zealous advertising. all of these issues were fixed later on by Microsoft's release of service packs, but first impressions count the most, and users dubbed Vista as a failure Source: https://www.dedoimedo.com/computers/windows-vista-best.html -
Microsoft releases Windows 10
The most recent installment of the Windows line, Windows 10 has easily become the most popular operating system Microsoft has released. The OS got off to a rocky start at release as it had numerous bugs and other complications, but the OS became more reliable after the issues were patched out Source: https://www.businessinsider.com/microsoft-windows-10-operating-system-everything-wrong-2019-3
