Here's how to get the fries for free: Start by downloading the McDonald's app. You'll get a coupon to get free medium french fry on Fridays. All you have to do is buy one dollar worth of other stuff. The restaurant also has a bevvy of other deals with the app as well. You can get a free drink with a one dollar purchase on Tuesdays and Thursdays. And $4.99 20 piece chicken McNuggets any day of the week. Hungry yet? By the way can you guess which french fry is which in this Buzzfeed game? It's harder than you think.
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