An Adobe ID is a free user account that gives you access to digitally protected (DRM) eBooks and lets you read them on multiple devices. To read the same eBooks on multiple devices, the software you use on each device needs to be authorized with the same Adobe ID.
If you don't have an Adobe ID, you can create one on Adobe's website. You'll also have the opportunity to create an Adobe ID when you install Adobe Digital Editions on a computer; install the latest version of the OverDrive app, or download an eBook for the first time.
Once you have an Adobe ID, please see our specific instructions on how to authorize these apps: