try
        {
            string installkey = @"SOFTWAREMicrosoftInternet ExplorerMainFeatureControlFEATURE_BROWSER_EMULATION";
            string entryLabel = "YourExe.exe";
            string develop = "YourExe.vshost.exe";//This is for Visual Studio Debugging...
            System.OperatingSystem osInfo = System.Environment.OSVersion;

            string version = osInfo.Version.Major.ToString() + '.' + osInfo.Version.Minor.ToString();
            uint editFlag = (uint)((version == "6.2") ? 0x2710 : 0x2328); // 6.2 = Windows 8 and therefore IE10

            Microsoft.Win32.RegistryKey existingSubKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(installkey, false); // readonly key

            if (existingSubKey.GetValue(entryLabel) == null)
            {
                existingSubKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(installkey, true); // writable key
                existingSubKey.SetValue(entryLabel, unchecked((int)editFlag), Microsoft.Win32.RegistryValueKind.DWord);
            }
            if (existingSubKey.GetValue(develop) == null)
            {
                existingSubKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(installkey, true); // writable key
                existingSubKey.SetValue(develop, unchecked((int)editFlag), Microsoft.Win32.RegistryValueKind.DWord);
            }
        }
        catch
        {
            MessageBox.Show("You Don't Have Admin Previlege to Overwrite System Settings");
        }
    }