This Sunday, July 16th, is National Ice Cream Day and McDonald's is relaunching their soft serve ice cream. To celebrate, they're giving away free cones and one person is going to get free ice cream for life.

You have to download McDonald's smartphone app and use it to redeem your free cone by this Sunday. When you redeem the offer, your name is automatically entered into the drawing for the Golden Arches Cone and a lifetime of free ice cream.

Read more at McDonald's.