When you sign up to become a member of Kroger.com, they will send you a link to download a coupon for a free Yoplait at Kroger grocery store chains once every Friday. Today, you can download a coupon to purchase a free Yoplait Greek or Yoplait 100 yogurt at your closest Kroger store. This coupon will only be available to download onto your electronic Kroger card today only. It expires this November 15th.