Valid until 12/31/2015, or while supplies last. Education discount not combinable with other promotional pricing. Available in Microsoft online store in US (including Puerto Rico). Only available to K-12, higher education students, parents purchasing on behalf of students, faculty, staff, school board, and PTA/PTO executives. Institutions are not eligible for this offer. Some purchases are only available for higher education students, and may require additional eligibility verification. Offer only valid on select products. Limited quantities may be available. Not valid on prior orders or purchases; cannot be transferred or otherwise redeemed for cash or coupon code. Not combinable with other offers. Taxes may apply. Void where prohibited or restricted by law. False representations of eligibility voids this offer, and Microsoft reserves the right to collect the full price of product(s) ordered. Limit of 5 items per order for most products. Limit 1 item per order for Surface and Surface accessories. Bulk orders not valid and may be canceled. See full terms.