Question: what is the difference between win32 and x86?
Answer: x86 is the CPU family (which includes the 8086, 286, 386, 486, Pentium 1/2/3/4, Core 2, AMD Athlon, Ryzen etc). CPUs in the same family can run the same programs. Win32 is the set of OS functions provided to programs by Windows starting with Windows 95 and going all the way up to Windows 10.