Msdn — Library
The fundamental interface for interacting with the Windows operating system.
In recent years, Microsoft migrated the vast majority of MSDN content to (formerly Microsoft Docs). This shift was more than just a rebrand; it represented a move toward: msdn library
To get the most out of the MSDN Library: The fundamental interface for interacting with the Windows
The core. Detailed syntax, parameters, return values, and remarks for every function, interface, COM object, and .NET class. The Win32 API Reference and later the .NET Framework Class Library were the most consulted sections. Detailed syntax, parameters, return values, and remarks for
Beginning around 2008, with the rise of ubiquitous broadband, search engines (especially Google), and collaborative wikis, the MSDN Library began a gradual decline. Developers started searching online first, often landing on unofficial forums, blog posts, or Stack Overflow. Microsoft recognized the shift and launched (later Channel 9 and then Microsoft Docs). Key turning points included: