* valid 1x on fridays thru 12/ 31/ 24 at participating mcdonald’ s. all ( 16) deals ( 16) free shipping ( 1) choose from 16 mcdonald' s coupons in april. may take up to 48 hours to appear in your deals. step 1: select a promo code. $ 6 big mac, mcdouble or double cheesebu