Watermarked ebooks are delivered in their original format. One can read watermarked ebooks with any software or device supporting the file format indicated in the book information page.
E-books can be used with most of the e-reader devices currently available in the market. Please check that your device is compatible with Adobe DRM.
Make yourself an Adobe account. Please note that your Adobe ID is the e-mail address you're using when registering. Then go to Adobe's pages and download Adobe Digital Editions -reader software. Install the software for your computer and authorize it with your Adobe ID.
Connect your e-reader to your computer and open Adobe Digital Editions on your computer. The e-reader will show up in Adobe Digital Editions, and after that you will be able to transfer books into e-reader by dragging the book icons from Adobe Digital Editions on top of the e-reader icon.
For more detailed instructions, please see your e-reader manufacturer's pages or instructions that came with your device.