This video shows how to secure a wirelees internet connection on your Zyxel P-660hw-t1. For this, first click on Start button and open Internet Explorer(or any other browser). On the address bar of the browser, type in the IP address of your router. On the next page, enter your password and on the next page, either change the password or ignore. On the next webpage, under Advance setup, click on Wireless LAN. On the next page, click on 8021xWPA. Select authentication required and then click apply. On the next page, select WPA-PSK under Key Management Protocol. In the pre-shared key box, enter any password of your choice. This is your wireless key. Click apply to finish the setup.