1. Preheat the oven to 375°F (190°C).

2. Prepare the pie crust and line a pie dish with it.

3. In a large bowl, mix sliced apples, sugar, cinnamon, nutmeg, and flour.

4. Pour the apple mixture into the pie crust.

5. Cover the pie with another layer of crust or a lattice design.

6. Bake for 45-50 minutes until the crust is golden brown and the filling is bubbling.

7. Let it cool before serving.