Mix cream cheese, sugar, cinnamon and butter in a large bowl on medium speed of mixer until creamy.
Gradually add pumpkin pie filling, beating on low speed until blended.
Mix in whipped topping until blended; spoon into crust.
Refrigerate until firm. Overnight is best.
Serve with whipped topping if desired.
Recipe by Not Your Mom Blog | Texas Mom Blog, Writer, Student, Mother, Blogger, Lufkin, Houston at https://www.notyourmomblog.com/no-bake-pumpkin-cheesecake-recipe/