Microsoft promotes Windows 11 as its most advanced, protected, and current operating system to date. However, a high-ranking company official has disclosed that significant portions of the system's foundational elements trace back to technology developed generations earlier.
A notable example involves actions like right-clicking on a file or starting a desktop application. These operations activate programming from the 1990s.
This refers to the Win32 API, which Microsoft continues to support through an official programming documentation resource. The API gained prominence with Windows 95, though it first appeared in Windows NT beforehand. (Explore a graphical overview of Windows' evolution.) The key insight is that Microsoft did not anticipate this interface enduring for such an extended period.
Mark Russinovich, who serves as Chief Technology Officer for Microsoft Azure and established Microsoft Sysinternals, shared these details in a video distributed via the Microsoft Dev Docs social media channel:
Did anyone anticipate Win32 remaining robust in 2026? Mark Russinovich discusses its profound integration within Windows and the extensive ecosystem it supports, proving that outdated elements can remain vital. SysInternals site: https://t.co/BOsLvgAn81 pic.twitter.com/6Yd3ipX42p
In the video, Russinovich notes the unforeseen longevity of Win32 and its ongoing relevance:
Did anyone in the 1990s foresee Win32 as a primary API interface by 2026? I can confidently say no. Expectations back then included advancements like airborne vehicles and lunar outposts, not a framework from the Windows 95 era. Its endurance stems from its core role in Windows, forming the base for countless applications, technologies, and supporting networks—essentially the foundation.
Throughout Microsoft's timeline, there have been efforts to overhaul the Windows API, such as WinRT, but these have not unfolded as anticipated, partly due to the persistent divide among client-side Win32 components and web-based elements using HTML and JavaScript.
Russinovich concludes by highlighting additional utilities from past decades that persist, such as those from Sysinternals, Sysmon, and ZoomIt. Discover how Sysinternals aids in diagnosing Windows issues and the integration of Sysmon into the operating system itself.
This piece first appeared in our affiliated outlet PC-WELT, adapted and translated from its German version.
Hans-Christian Dirscherl's career in IT started with files like Autoexec.bat and Config.sys, programming in Turbo-Pascal and C, and systems including Sinix and WordPerfect. For about 25 years, he has contributed articles on diverse IT subjects, from breaking news to product evaluations and purchase recommendations.