Microsoft has developed several operating systems over the years, including:
- MS-DOS: MS-DOS (Microsoft Disk Operating System) was the first operating system developed by Microsoft, released in 1981. It was a command-line based operating system that was widely used on personal computers in the 1980s and early 1990s.
- Windows: Windows is a series of graphical operating systems developed by Microsoft, the first version of which was released in 1985. The latest version of Windows is Windows 11, which was first released in 2021.
- Windows NT: Windows NT (New Technology) was a separate branch of Windows that was designed for business use and was released in parallel with consumer versions of Windows. Windows NT 3.1 was the first version of this branch, and it was followed by Windows NT 3.5, Windows NT 3.51, and Windows NT 4.0.
- Windows Mobile: Windows Mobile is a series of operating systems developed by Microsoft for mobile devices, such as smartphones and PDAs. It was first released in 2000, and the latest version was Windows Mobile 6.5, which was released in 2009.
- Windows Server: Windows Server is a series of operating systems developed by Microsoft for use in servers and other networked environments. It is similar to the Windows desktop operating system, but includes additional features and capabilities for managing and securing networked environments.
- Windows Embedded: Windows Embedded
Here is a brief overview of the major versions of Windows, along with their release dates:
- Windows 1.0 – 1985
- Windows 2.0 – 1987
- Windows 3.0 – 1990
- Windows NT 3.1 – 1993
- Windows 95 – 1995
- Windows 98 – 1998
- Windows 2000 – 2000
- Windows XP – 2001
- Windows Vista – 2006
- Windows 7 – 2009
- Windows 8 – 2012
- Windows 8.1 – 2013
- Windows 10 – 2015
- Windows 11 – 2021
