Try the following steps:
· Connect your Roku box or stick to your TV and power ON.
· In the very first screen, Choose ‘'''Wireless'''’ if you are going to connect via '''go.roku.com/wireless'''.
· Roku will search for the network connection, select your network and finish the process till you select the option ‘'''Connect'''’.
· After this step, your Roku will automatically show you the updated software.
· ‘'''Download'''’ and install it to complete the [https://www.go-roku-wireless.com/|'''Roku wireless setup'''] process.
Hope, this will solve your issue.