The guidelines for activating the Roku device are:
• First of all, Enter into the Roku webpage using your default web browsers like
Chrome or Firefox
• Watch out for the menu in the top part of the page
• Chose the option which reads as "Activate the device"
• After you click that option, you will reach a page where you can find a dedicated
space to paste the code
• Now enter the link code in the box as displayed in the television
• Ultimately, Activation of the Roku device will take place without much stress

If you have any inquiries on How to Activate Roku, then call the Roku technical support team to receive the activation code.