How to set deviation to metatrader4

How to set deviation to metatrader4 metatrader bollinger band attach to chart bands attach to chart 3 times and set each deviation deviation 1σ deviation 2σ deviation 3σ and each #0 same color each #1 and #2 same color but different between 1σ 2σ 3σ https://youtu.be/5lqJK4cWY2Q