How to activate Sling TV on any device. Follow the guide below to Sling.com/activate/Xbox on your compatible device. https://www.weboquest.com/sling-com-activate-xbox-how-to-activate-sling-tv-on-roku-fire-stick 1. Download and install the Sling TV channel. 2. Open the app on your device. 3. Now copy the activation code that appears on your screen. 4. Go to sling.com/activate from your mobile/desktop browser. 5. Enter the Sling TV activation code. 6. Select the Submit button. 7. Now stream your favorite content on Sling TV. Is Sling TV free to use? Sling Free gives you absolutely free access to thousands of movies and shows so you can enjoy the Sling experience. No credit card or registration of any kind is required. You can experience Sling for as long as you want as a free user, no gimmicks or promotions, just free TV. How to Activate Sling TV on Roku Here is a guide on how to activate Sling TV on Roku. 1. Press the Home button on your remote. 2. Now select Broadcast Channels. 3. Open the channel store. 4. Find the Sling TV app. 5. Click Add Channel to install the app. 6. Open the app on your device. 7. Now copy the activation code that appears on your screen. 8. Go to sling.com/activate from your mobile/desktop browser. 9. Enter the Sling TV activation code. 10. Select the Submit button. How to activate Sling TV on Apple TV To activate Sling TV on Apple TV, follow the guide below. 1. Open the app store on your Apple TV. 2. Navigate to Channel Store. 3. Find the Sling TV app. 4. Select Add channel to install it. 5. Open the app on your device. 6. Now copy the activation code that appears on your screen. 7. Go to sling.com/activate from your mobile/desktop browser. 8. Enter the Sling TV activation code. 9. Select the Submit button.