If you have a new Roku device (never been set up), or you have Factory Reset a Roku device, then a physical remote will be needed to proceed through setup and activation of the Roku device.
RokuTVs and Roku streaming players can be set up with universal streaming remotes (IR-based) compatible with Roku or with replacement Roku Voice Remote. Roku Streaming sticks will need a Roku Voice Remote. (RF/wifi remote).
If you need a remote quickly, Walmart, Best Buy, Target, etc carry replacement Roku Voice remotes which will work on all the above mentioned Roku devices.
Roku Community Streaming Expert Just another Roku user... I am not a Roku employee. Insignia RokuTV, Ultra 4660, Premiere+ 3921, Express 4k+ 3941, Streambar 9102