void Button1Click(object sender, EventArgs e)
{
RegistryKey rk = Registry.LocalMachine;
RegistryKey rks = rk.CreateSubKey("SOFTWARE\\Wow6432Node\\Microsoft\\Internet Explorer\\MAIN\\FeatureControl\\FEATURE_BROWSER_EMULATION");
rks.SetValue(textBox1.Text,"11001",RegistryValueKind.DWord);
rk.Close();
}