It's the official #rokucomlink that can activate the Roku Streaming device. Set up the device, get the #rokulinkcode, and visit this activation page to initiate the activation process or #rokucomlinkcreateaccount, without having an access to a Credit card at the moment, he/she can follow these steps to set up an account.
https://sites.google.com/view/....roku-ativate/wwwroku