Understand roku.com/link settings to begin Roku device activation. If you are ready, here we explain the roku.com/link activation steps. If your Roku gadget is brand new, take out the device from the package. The find the port to connect the hardware. If the hardware connection is secure, start creating a Roku account. Login to the Roku account, find the activation code, and finally type the code by visiting the page, roku.com/link.