Basics and More

Programming and Architecture Basic

If you want to begin that kind of process, you should have the average knowledge about C#, C, C++, GNU\Linux, Win32 APIs, JavaScript, PowerShell, Visual Basic, and fundamental penetration testing experience.

What is Computer Programming? Basics to Learn CodingGuru99

Tutorial World

Free Online Tutorials and Courses

Windows Architecture

Old:

Architecture of Windows NTWikipedia

New:

Architecture of Windows 9xWikipedia

Windows ArchitectureMedium

Windows Internals & Win32 APIs

Frist General Knowledge:

Windows APIWikipedia

Your new bible: Win32 API Reference Guide:

Build desktop Windows apps using the Win32 API - Win32 appsdocsmsft

Windows API Reference by Alphabetical:

Functions in Alphabetical Order (Windows)docsmsft

Windows API Reference by Category:

Functions by Category (Windows)docsmsft

Windows Data Types:

Windows Data Types (BaseTsd.h) - Win32 appsdocsmsft