Replace your regular switches with 0 NUOS smart switches
It is a one-time activity can can be done by any local electrician. Basic electrical wiring knowledge is required, concept of Live, Neutral & Earthing is to be known to install the switches and is just a matter of few minutes.
If you see this screen, tap on ‘CHANGE OWNER’
When the setup is successful, tap on ‘DONE’
Select the Gateway which was added you earlier.