In a large mixing bowl whisk pudding mix and milk together until smooth and thickened.
Add sweetened condensed milk and cool whip and beat until combined.
Crush up about 6-8 Oreo cookies and mix into pudding mixture.
Pour pudding mixture in pie crust and spread.
Garnish with Oreo cookies, dollops of cool whip or whipped topping, and crushed Oreos.
Lastly, cover and place in the fridge to chill.