typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL); bool Is64BitWindows() { #if defined(_WIN64) return true; // 64-bit programs run only on Win64 #elif defined(_WIN32) // 32-bit programs run on both 32-bit and 64-bit Windows // so must sniff BOOL f64 = FALSE; LPFN_ISWOW64PROCESS fnIsWow64Process; fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(GetModuleHandle(TEXT("kernel32")), "IsWow64Process"); if (NULL != fnIsWow64Process) { return !!(fnIsWow64Process(GetCurrentProcess(),… Continue reading How to check Windows or process is 64bit