Microsoft is offering Windows 10 users a FREE $5 Windows Store Credit with any ebook purchase from its new Books section in the Windows Store for a limited time. To get this deal, click the Shop Books button on a Windows 10 computer to open the Windows Store. You need to latest Windows 10 Creator’s update to see the Books section in the Windows Store. eBooks start at less than $1. The Free credit will be emailed after purchase. Deal ends June 30, 2017 and the Free credit must be redeemed by August 15 and then used within 90 days.