Как насчет этого:
#include <windows.h>
#include <string>
#include <lm.h>
#pragma comment(lib, "netapi32.lib")
bool GetWinMajorMinorVersion(DWORD& major, DWORD& minor)
{
bool bRetCode = false;
LPBYTE pinfoRawData = 0;
if (NERR_Success == NetWkstaGetInfo(NULL, 100, &pinfoRawData))
{
WKSTA_INFO_100* pworkstationInfo = (WKSTA_INFO_100*)pinfoRawData;
major = pworkstationInfo->wki100_ver_major;
minor = pworkstationInfo->wki100_ver_minor;
::NetApiBufferFree(pinfoRawData);
bRetCode = true;
}
return bRetCode;
}
std::string GetWindowsVersionString()
{
std::string winver;
OSVERSIONINFOEX osver;
SYSTEM_INFO sysInfo;
typedef void(__stdcall *GETSYSTEMINFO) (LPSYSTEM_INFO);
__pragma(warning(push))
__pragma(warning(disable:4996))
memset(&osver, 0, sizeof(osver));
osver.dwOSVersionInfoSize = sizeof(osver);
GetVersionEx((LPOSVERSIONINFO)&osver);
__pragma(warning(pop))
DWORD major = 0;
DWORD minor = 0;
if (GetWinMajorMinorVersion(major, minor))
{
osver.dwMajorVersion = major;
osver.dwMinorVersion = minor;
}
else if (osver.dwMajorVersion == 6 && osver.dwMinorVersion == 2)
{
OSVERSIONINFOEXW osvi;
ULONGLONG cm = 0;
cm = VerSetConditionMask(cm, VER_MINORVERSION, VER_EQUAL);
ZeroMemory(&osvi, sizeof(osvi));
osvi.dwOSVersionInfoSize = sizeof(osvi);
osvi.dwMinorVersion = 3;
if (VerifyVersionInfoW(&osvi, VER_MINORVERSION, cm))
{
osver.dwMinorVersion = 3;
}
}
GETSYSTEMINFO getSysInfo = (GETSYSTEMINFO)GetProcAddress(GetModuleHandle(L"kernel32.dll"), "GetNativeSystemInfo");
if (getSysInfo == NULL) getSysInfo = ::GetSystemInfo;
getSysInfo(&sysInfo);
if (osver.dwMajorVersion == 10 && osver.dwMinorVersion >= 0 && osver.wProductType != VER_NT_WORKSTATION) winver = "Windows 10 Server";
if (osver.dwMajorVersion == 10 && osver.dwMinorVersion >= 0 && osver.wProductType == VER_NT_WORKSTATION) winver = "Windows 10";
if (osver.dwMajorVersion == 6 && osver.dwMinorVersion == 3 && osver.wProductType != VER_NT_WORKSTATION) winver = "Windows Server 2012 R2";
if (osver.dwMajorVersion == 6 && osver.dwMinorVersion == 3 && osver.wProductType == VER_NT_WORKSTATION) winver = "Windows 8.1";
if (osver.dwMajorVersion == 6 && osver.dwMinorVersion == 2 && osver.wProductType != VER_NT_WORKSTATION) winver = "Windows Server 2012";
if (osver.dwMajorVersion == 6 && osver.dwMinorVersion == 2 && osver.wProductType == VER_NT_WORKSTATION) winver = "Windows 8";
if (osver.dwMajorVersion == 6 && osver.dwMinorVersion == 1 && osver.wProductType != VER_NT_WORKSTATION) winver = "Windows Server 2008 R2";
if (osver.dwMajorVersion == 6 && osver.dwMinorVersion == 1 && osver.wProductType == VER_NT_WORKSTATION) winver = "Windows 7";
if (osver.dwMajorVersion == 6 && osver.dwMinorVersion == 0 && osver.wProductType != VER_NT_WORKSTATION) winver = "Windows Server 2008";
if (osver.dwMajorVersion == 6 && osver.dwMinorVersion == 0 && osver.wProductType == VER_NT_WORKSTATION) winver = "Windows Vista";
if (osver.dwMajorVersion == 5 && osver.dwMinorVersion == 2 && osver.wProductType == VER_NT_WORKSTATION
&& sysInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64) winver = "Windows XP x64";
if (osver.dwMajorVersion == 5 && osver.dwMinorVersion == 2) winver = "Windows Server 2003";
if (osver.dwMajorVersion == 5 && osver.dwMinorVersion == 1) winver = "Windows XP";
if (osver.dwMajorVersion == 5 && osver.dwMinorVersion == 0) winver = "Windows 2000";
if (osver.dwMajorVersion < 5) winver = "unknown";
if (osver.wServicePackMajor != 0)
{
std::string sp;
char buf[128] = { 0 };
sp = " Service Pack ";
sprintf_s(buf, sizeof(buf), "%hd", osver.wServicePackMajor);
sp.append(buf);
winver += sp;
}
return winver;
}