- Install the McDonald's app
- Sign up
- Wait a little bit for the app to show the free sandwich coupon
Also, make sure you confirm your email after you sign up.
It took about 10 minutes for the free sandwich coupon to show up in the app for me.
Download the McDonald's app from the Apple App store https://itunes.apple.com/us/app/m...03212?mt=8
Download the McDonald's app for Android from the Play store