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Accurately getting the running Windows version in C++
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#include <iostream> | |
#include <windows.h> | |
// Required for RtlGetVersion() | |
#pragma comment(lib, "ntdll.lib") | |
extern "C" { | |
NTSYSAPI NTSTATUS NTAPI RtlGetVersion(PRTL_OSVERSIONINFOEXW lpVersionInformation); | |
} | |
std::string get_windows_version() { | |
std::string windows_version; | |
RTL_OSVERSIONINFOEXW osvi; | |
ZeroMemory(&osvi, sizeof(osvi)); | |
osvi.dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW); | |
RtlGetVersion(&osvi); | |
if (osvi.dwMajorVersion == 10 && osvi.dwMinorVersion == 0 && osvi.dwBuildNumber > 22000) | |
windows_version = "Windows 11"; | |
else if (osvi.dwMajorVersion == 10 && osvi.dwMinorVersion == 0) | |
windows_version = "Windows 10"; | |
else if (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 3) | |
windows_version = "Windows 8.1"; | |
else if (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 2) | |
windows_version = "Windows 8"; | |
else if (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 1) | |
windows_version = "Windows 7"; | |
else if (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 0) | |
windows_version = "Windows Vista"; | |
else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1) | |
windows_version = "Windows XP"; | |
else | |
windows_version = "Unknown version"; | |
SYSTEM_INFO system_info; | |
GetNativeSystemInfo(&system_info); | |
if (system_info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64 || system_info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64) | |
windows_version += " (64-bit)"; | |
else | |
windows_version += " (32-bit)"; | |
return windows_version; | |
} | |
int main(int argc, char* argv[]) { | |
std::string version = get_windows_version(); | |
std::cout << version << std::endl; | |
return 0; | |
} |
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