You are at your sweet old granny's house setting up a new wireless network. She has recently had some legal issues as her old wireless router was unprotected and someone was using it to download illegally pirated movies. Fearing she may go to prison, you need to get the new Wifi network and router as secure as possible. Use the router's configuration interface to the side of these instructions to give her the most secure options available.
Stop Downloading Illegal Moviesand visible to devices