What is the mistake please

Question

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{

Console.WriteLine ("Enter password");

int password = Convert.ToInt32(Console.ReadLine());

if (password = 4)
{

Console.WriteLine("correct password " + "hi again it's to see you again");

}

else
{

Console.WriteLine("incorrect password");

}

}
}
}

Answer 1

The if statement has to have to ==

Answer 2

if (password==4) instead of if(password=4)

Answer 3

No problem :)