Microsoft Windows

Microsoft Windows is a series of operating systems developed by Microsoft Corporation. It is one of the most widely used operating systems in the world, powering personal computers, laptops, servers, and many other devices. Windows provides a graphical user interface (GUI), as well as support for a wide range of software applications.

As of my last update in January 2022, there have been many versions of Microsoft Windows released over the years. Some of the notable versions include:

1. Windows 1.0
2. Windows 2.0
3. Windows 3.0
4. Windows 95
5. Windows 98
6. Windows ME (Millennium Edition)
7. Windows 2000
8. Windows XP
9. Windows Vista
10. Windows 7
11. Windows 8
12. Windows 8.1
13. Windows 10

Additionally, within each major version, there have been various editions tailored for different use cases, such as Windows Home, Windows Professional, Windows Enterprise, etc. Microsoft also periodically releases updates and service packs to improve functionality, security, and performance.

It's essential to note that my information may not include the latest versions or updates released after January 2022. Microsoft continues to develop and release new versions and updates to Windows over time.