If you purchased your iPAQ H5400 and H3900 series Pocket PC between May 23, 2003 and September 23, 2003 and Microsoft Pocket PC is available in the same language version as your iPAQ Pocket PC, and you have a valid proof of purchase, you qualify for the Technology Guarantee Program offer by Microsoft. All costs for this upgrade will be documented on the coupon. OR If you purchased your iPAQ Pocket PC H5400, H3900 or H3800 series outside of the dates mentioned above, you may purchase the upgrade for the Pocket PC 2003 for $29.95 (US)*.