WOW64 Windows Emulate 32-bit application on 64-bit Windows

WOW64 is the windows emulator which will let us run 32-bit applications on 64-bit windows. This architecture is implemented using set of DLLs
1) wow64.dll
2) wow64cpu.dll
3) Wow64win.dll
4) IA32Exec.bin and wowia32x.dll
WOW64 is implemented as a part of the OS and doesn't need to be enabled. Execution speed ad performance remain unaffected under WOW64 implementation.