Help getting started with Roku devices, including setup, connecting your device to your TV, linking a Roku device to your account at my.roku.com/link, adding channels, subscribing to services, and more.
With it powered on, look for reset pinhole on the roku, stick something in the hole hold for over 30 seconds. If you still have oem roku remote, you will have to pair it to roku 4 again, so when its roku bouncing on the screen press and hold the pairing key in the battery compartment, when it stops bouncing on-screen release for a bit and start pressing again until you get conformation the remote is paired.
Set the language, enter your internet network and password. Then there should be a link code, with roku.com/link address, DO NOT enter that into search engine like google or bing!! Enter it on your computer or cellphone browser address bar, and follow the prompts to set up a an account.
Never pay anyone to activate your roku or for roku customer service. There are bunch of scam artist out there to take your money.