The article "Migrating to Windows 95" discusses how Windows 95 is different from Windows 3.1, especially in memory addressing. The main focus is on helping programmers smoothly transition their applications to Windows 95. Key points include the shift from a 16-bit to a 32-bit memory model, enabling true multitasking, and utilizing new file system features. The book provides practical guidance for both new and experienced developers on adapting their programs to take advantage of Windows 95's capabilities.