To read this Riff, you will need to:

• Have or setup an Adobe Account.
• Install Adobe Digital Editions for your computer (here are the step-by-step instructions). Or,
  
  Install Bluefire Reader for mobile devices and tablets (available in both the Apple and Android App Stores).
• Once purchased, simply download your Riff or Note by clicking on the download link, which will open your content in the appropriate application.
  (If it is the first time using the application, you will need to setup your Adobe ID and may need to verify that device.)
• You can also use Digital Editions to transfer the Riff to your eReader, e.g. Nook, Kobo, etc.
(Here is a list of supported Adobe Digital Edition readers.)