First visit www.amazon.com.
Visit Your Memberships & Subscriptions.
You will see your previous Sling TV subscription. Click on I want to subscribe again.
Make your service selection. Once you have selected your service, select Subscribe Now.
Sign in with your Amazon.com credentials.
Review your order and service total.
Choose Place your order.
To start watching your subscription, first you must set up a Sling TV account. To do so, select Sign in with an existing account.
Enter your credentials including your email address, password and zip code and chose Next. (If you do not see this registration form, please allow pop-ups for your browser).
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 just used to access your existing account. Welcome back!
*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.