You need to link your device with a Roku account using the activation code, after the Roku account setup. See the steps below:
Roku is an amazing platform to watch your favourite TV channels. It makes your TV flexible according to your choice. It consists of various channels like amazon prime, Netflix, YouTube, etc. Roku.com/link provides you with the applications which are replaceable for smart TV. In Roku there are two types of account i.e. Free account and paid account. It contains entertainment channels and live channels and live video mobile apps which makes your TV Quite smart and makes your life comfortable.
You must have a Roku device to watch the shows on stick, player or TV and it must be connected to the internet. And then, you need go on www.roku.com/link activation code to setup your account.