#include <windows.h>

    #include <iostream>

    #pragma comment(lib, "user32.lib")

    using std::cout;

    using std::cin;

    int main() {

       SYSTEM_INFO siSysInfo;

       // Copy the hardware information to the SYSTEM_INFO structure.

       GetSystemInfo(&siSysInfo);

       // Display the contents of the SYSTEM_INFO structure.

       cout << "Hardware information: n"; 

       cout << "  OEM ID: " << siSysInfo.dwOemId << "n";

       cout << "  Number of processors: " << siSysInfo.dwNumberOfProcessors << "n";

       cout << "  Page size: " << siSysInfo.dwPageSize << "n";

       cout << "  Processor type: " << siSysInfo.dwProcessorType << "n";

       cout << "  Minimum application address:" << siSysInfo.lpMinimumApplicationAddress << "n";

       cout << "  Maximum application address: " << siSysInfo.lpMaximumApplicationAddress << "n";

       cout << "  Active processor mask: " << siSysInfo.dwActiveProcessorMask << "n";

       cin.get();

       return 0;

    }