Making No-Bake Flag Cheesecake Bars is quite simple if you follow these easy steps:

1. Prepare the Crust: In a medium bowl, combine graham cracker crumbs, melted butter, and granulated sugar. Mix until well combined.
2. Press the Crust: Firmly press the mixture into the bottom of a 9×13 inch baking dish to create an even layer. Set aside.
3. Make the Cheesecake Filling: In a large mixing bowl, beat together softened cream cheese, powdered sugar, and vanilla extract until smooth and creamy.
4. Whip the Cream: In a separate bowl, whip the heavy cream until stiff peaks form. Gently fold the whipped cream into the cream cheese mixture until fully combined.
5. Spread the Filling: Pour the cheesecake filling over the prepared crust, spreading it evenly.
6. Chill: Cover the dish with plastic wrap and refrigerate for at least 4 hours or overnight until set.
7. Decorate with Berries: After the cheesecake has set, arrange sliced strawberries and blueberries on top in a flag design.
8. Slice and Serve: Cut into bars and serve chilled. Optionally, top with whipped cream for added flair.

These straightforward steps will guide you to create these incredible cheesecake bars with ease.