Download and install the Sony Reader Library Software. The software is available for free from the Sony eBookStore website (see Resources). Two versions of the software exist, one for Windows operating system and one for Mac systems. Both links are available from the software download site. A credit card must be linked to your account to purchase titles.
Click on the Reader Library software icon on your desktop to launch the software.
Click the "Register" button on the Reader Library software and create an account. The account registration process will require you to enter your information, a major credit card for purchases and accept the store privacy policy and terms of service.
Browse the Reader Library software for the titles you wish to purchase. Click on the titles you wish to purchase and add them to your cart. Once you have completed shopping through the titles, click on your shopping cart and confirm your purchase. Once purchased, titles will be downloaded automatically. Titles can be accessed by clicking the "Library" tab on the software screen.