Spawning Objects in Unity Game Engine

Spawner.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Spawner : MonoBehaviour
{
    public GameObject Sphere;

    void Update()
    {
        if(Input.GetMouseButtonDown(0))
        {
            Instantiate(Sphere, transform.position, transform.rotation);
        }
    }
}