IIRC, it's called the Windows API now, with Win64 being the active variant on modern Windows. It is essentially Win32 with 64-bit additions. The Win32/low-leve

IIRC, it's called the Windows API now, with Win64 being the active variant on modern Windows. It is essentially Win32 with 64-bit additions. The Win32/low-level Windows programmers I know still just refer to it as "Win32", though.