FREE Coupon for FREE A&W 2-Liter Root Beer! This post may contain affiliate links or sponsored content. See Disclosure Policy. Freebies WOW! Here is a FREE Coupon for A&W Root beer! You just need to fill out a short form saying you will go Technology Free for one hour on Fridays. You can have the coupon mailed to you or print it! This expires on 9/30!