roku support phone number for activation +1844+539)))9831* How do you activate Roku? Activating your Roku device Follow the Quick Start Guide that came with your Roku device. Complete the on-screen instructions to connect your Roku device to the internet. Your Roku device will then display a link code; e.g. “XD12G”. Make a note of this link code and go to the website roku.com/link on your computer or mobile device. Show More