Mule creator?

Could someoneplease help me make a mule creator because there are no updated ones

Use C# and make a form in visual studio
make a few boxes and a button so when u press the button this code below runs and the boxes contain ur email and pw
WebClient wc = new WebClient();
for (int i = 0; i < 30; i++)
{




string address = $"https://realmofthemadgod.appspo*****m/account/register?guid=0&newGUID={textBox1.Text}%2B{i}@gmai l.com&newPassword={textBox2.Text}";
string str = wc.DownloadString(address);
Console.WriteLine(str);
}