If you know the right procedure, only then you will be able to enjoy the youtube premium version on a device of your own choice. Here what required is the activation code of YouTube that you can easily get when you get jn youtube on your device.
The following steps will lead you to install your favorite YouTube app:
If you really want to install the YouTube app on your device, then you have to follow the following steps meticulously.
Firstly, you got to drive into your device’s play store.
Enter the play store using your YouTube.com/activate
Reach for the segment of TV, followed by “motion picture” and then opt for “go search” and select “YouTube” option.
Press “done” after you have included the Channels list.
Now you can install Youtube on your choicest device.
YouTube.com/activate on Roku

To activate YouTube on Roku you need to make sure that first your Roku is activated and connected.
Your Roku is connected to a Wi-Fi and has access to the internet.
You’ve got your remote on hand to control Roku.
Follow the following steps to enable YouTube on Roku once the above criteria are met.
From your home screen, go to the Channel Store.
Add a YouTube channel to it. You will find it in the ‘Top Free’ section.
When the channel has been added, go to it by selecting it from your home screen.
Go to the settings of the app or select it if you see an option to YouTube.com/activate
A code will be provided with the sign-in option. Please note this down. If you’re going through the settings of the app, select the TV code link option.
Follow the on-screen instructions at last.
Activate YouTube.com/activate on Xbox One

Like PlayStation 4, Xbox One (and all other Xbox versions), has a dedicated YouTube app that you can download. Follow the steps below to activate it;
Launch your Xbox YouTube app.
In the next step, click on the ‘Sign in’ option on the left.
You’re going to see a code. Kindly note it down.
Visit this YouTube.com/activate and log in to YouTube with the Google account that you use to sign in.
On this link, enter the code, and on the Xbox, YouTube will be activated. If you are asked to grant certain permissions to the app, go ahead and do so.