Devices and ePub Software Readers:

The following list may serve to assist as a starting point for one to find ePub software readers for use on a particular device.
 

Apple Products (Mac PCs, iPads, iPhones): iBooks and Adobe Digital Editions

Microsoft PCs: Calibre, Google Play Books*+, and Adobe Digital Editions

Android Tablets and Phones: Google Play Books*, Reasily EPUB Reader, and Adobe Digital Editions