How can i put a password on my inter connection so that others cannot access it?

as of right now anyone with wifi in their device can access my internet connection, i want to lock it so no one otehr than me can use itHow can i put a password on my inter connection so that others cannot access it?All you need to do is go to the support site for your router. They will have step by step instructions for securing your wireless connectionHow can i put a password on my inter connection so that others cannot access it?I am not sure because I have never been there with the people that set up my internet so I suggest that you get that new paint that was just invented that keeps others off your internet when it is painted on your house.How can i put a password on my inter connection so that others cannot access it?Call your internet service provider and tell them you want to set up a password for your internet network. They should guide you through the process.