First, visit www.sling.com/account and log into your account with the email and password you created when you started your Sling TV subscription.
Next click on START SUBSCRIPTION.
If you previously signed up through an Amazon device, you'll need to enter your credit/debit card and billing information. Otherwise, proceed to the next step.
On this page you can select your base service and any add-ons you'd like.
Scroll to the bottom of the page to review your selections. If you'd like to restart your subscription using a gift card, select Redeem a gift card.
Enter your gift card number and click ADD GIFT CARD. Once the gift card is accepted, the amount of your gift card will be displayed. Next, press CONTINUE.
To review your new subscription, select Review.
Review your order and click SUMIT ORDER at the bottom of the page.
Now you're ready to start watching! Click WATCH NOW to watch Sling TV in your Google Chrome browser, or select SEE ALL DEVICES for details on how to install Sling TV on your device. Enjoy!