First visit www.amazon.com.
Visit Your Memberships & Subscriptions.
You will see your Sling TV subscription highlighted with action required. Click on Register for a new account.
Create your account by entering your email address, create a unique and secure password, your name and your zip code. These will be the credentials to sign into your account within the Sling TV app. (If you do not see this registration form, please allow pop-ups for your browser).
You will receive a confirmation email. Now you’re ready to start watching Sling TV! On the right side of the screen, start watching or manage your subscription.
Download the Sling TV app to a supported device. Click here for a list of supported devices.
Login to the app with the credentials you used to set up your registered account.
*Please note that you may only have one active Sling TV subscription on your Amazon account at a time. If you want to keep your existing subscription in addition to a new subscription, you still need to register a new Sling TV account to associate with the new subscription purchase.