How do you use Cheat engine 5.5 for bloons tower defense 3?

Please write the instructions no videos.|||First you open both Cheat Engine then click on the mine computer icon then chose iexplore.exe or firefox.exe then click on it after write the amount of money you have (without spending any) then spend some and type in the amount you have left the click on it and click freeze then click on the value and change to how much you want.