Unity 3d slow motion script like (gta 5) easy and full script by allunityscripts

Slow Motion 

using UnityEngine;
using System.Collections;

public class SlowDownTime : MonoBehaviour {

// Use this for initialization
void Update () {
        if (Input.GetKey(KeyCode.Q))
        {
            Time.timeScale = 0.65f;
        }
        else
            Time.timeScale = 1;
    }
}