In separate large bowl, beat heavy cream into stiff peaks
In separate large bowl, beat cream cheese until light and fluffy
Mix in pumpkin puree, beat until smooth.
Mix in powdered sugar, beat until smooth
Mix in vanilla, cinnamon, nutmeg, and salt. Combine until fully incorporated
Fold in the heavy whipped cream until just combined and beat until incorporated.
Pour over crust. Use spatula to smooth out the top
Refrigerate until set. (Can take at least 4 hours)
Serve with whipped topping