void CtestThreadDlg::OnBnClickedButton3()
{
	HKEY hKey;
	DWORD dwType = REG_SZ;
	DWORD dwSize = 255;//須指定長度,否則第一次讀取RegQueryValueEx不成功，僅返回長度
	WCHAR data[MAX_PATH];
	bool ret;


	if (RegOpenKey(HKEY_LOCAL_MACHINE, _T("SOFTWARE\\Microsoft\\Windows NT\	CurrentVersion"), &hKey) == ERROR_SUCCESS)
	{
	    TRACE(_T("未找到此鍵"));
	    return;
        }
	ret = RegQueryValueEx(hKey, _T("ProductName"),
							NULL,
							& dwType,
							(LPBYTE)data,
							& dwSize) == ERROR_SUCCESS;

	RegCloseKey(hKey);
	ret = wcscmp(data, _T("Windows 10 Pro")) == 0;
	
	CString str;
	str.Format(_T("%d"), ret);
	TRACE(str);
}

WIN10+VS2015編譯通過.

獲取Windows的版本