Plug Roku device into your television’s HDMI port and connect it to either wired or wireless Internet. Move ahead to the Roku account activation if you don’t already have one. Enter the Roku login credentials and link the device with your account. Roku activation code will be displayed on the TV screen once you power On your device. Navigate to the roku.com/link web page and enter the code there before clicking “Submit”. Now your Roku device is all set to go and you can subscribe to the Roku channels of your choice.