Follow the steps to download, 

1. From Main Screen Select Google Play-store or Select All Apps and Google Play-store.

2. Select the Search bar on the top.

3. Type YouTube TV and click  Search or Enter.

4. Once the name YouTube TV comes up select the App.

5. Click on Install.

6. let it install.

7. Once it is installed Select Open.

8.  Create account or if you have userid and pass just login.

1. From Main Screen Scroll Down

2. Select App Store.

3. When App Store Opens

4. Scroll towards the right and Select YouTube App.

5. Scroll To Update and Select it. 

6.  let it download it may take you up to 2 minutes or depending to the connection of your Internet. 

7. Once Download is done you will see a installation popup and select Install.

8. Once Installation is done Click on Done.

9. Press home, then scroll Down to All Apps and Select.

10.  Scroll Down to YouTube app and Select. 

11. Once First Screen Comes up you can login or click on Skip.

12. Enjoy YouTube App. 

1. From Main Screen select App Store

2. Select Search 

3. Type Prime and click on Search 

4. Select the First one which has a black background.

5. Then Select Other Versions

6. Select Version 3.0.261.16341

7. Select Install

8. Once Download is done, you will get a white screen and you need to select Install.

9. Once it is installed Click on Open

10.  Then Enter your UserID and Password for Your Amazon Prime Account. and click on Sign-in button.

11.  Scroll to your video and click on it, like i am doing.

12. I have selected Arjun Reddy

13.  and I have selected to Play or Resume if you watched a part of it.

And that is it Enjoy.

2. Select Device Preferences

3. Scroll Down and Select Sound

4.  Click on System sounds
By Default The System Sounds is always On, by clicking OK on your remote you will turn off the Sound notification. 

5. Press Back till you are in Main Screen

Enjoy!