The Roku Link activate Roku TV gets changed in the minutes tine so there could be a possibility that you have a code and by the time you reach the Roku activate link code page it might expire so you can get a new to create account by pressing the start button from the Roku remote and get a new code and put on the space. Roku Link Activate Roku TV any user, new or existing, can stream content directly from the internet to their television.
https://setupmydevices.com/roku-link-activate-roku-tv/