Line a 9-inch springform pan with parchment paper and lightly grease the sides.
In a medium bowl, combine Oreo crumbs and melted butter until evenly coated.
Press the crust mixture firmly into the bottom and slightly up the sides of the pan.
Refrigerate the crust while preparing the filling.
In a large mixing bowl, beat the cream cheese, sugar, and vanilla extract until smooth and creamy.
In another bowl, whip the cold heavy cream and powdered sugar on high speed until stiff peaks form.
Gently fold the whipped cream into the cream cheese mixture in two additions.
Fold the Oreo crumbs and chopped Oreos into the filling.
Spread the No Bake Oreo Cheesecake filling evenly over the chilled crust.
Refrigerate for 5–6 hours or overnight until fully set.
For the topping, whip the heavy cream, powdered sugar, and vanilla extract until stiff peaks form.
Remove the cheesecake from the pan and pipe whipped cream swirls around the edge.
Garnish with Oreo halves and extra Oreo crumbs before serving.