Special Offers & Promotions For a limited time, Window World of the Ozarks is offering these special promotions to jump-start your next exterior remodeling project. Special Offers & Promotions 25th Anniversary Special 0% APR for 25 Months! Federal Tax Credit Available for windows and doors. Call for details: 479-316-4294 See Full Terms Request Quote Full Terms Minimum purchase required. Call for details. Valid through May 31st.