If you want to change security setting in netgear router then follow this blog-How to Change the Security Settings on a Netgear Wireless Router.
Step1: Plug in the power cord into the power jack on the back of the router and Plug the other end of the power cable into the wall outlet.
Step2: Unplug the ethernet cable from your cable or DSL modem. Plug the ethernet cable into the "Internet" port on the router.
Step3: Plug one end of the ethernet cable into a "LAN" port on the back of the router. Plug the other end of the cable into the ethernet port on the computer.
Step4: Insert the installation CD into the CD/DVD drive and wait for the setup screen to appear. Click the "Setup" button and then follow the instructions on the screen to install the software. Choose a name for your network and select a password that consists of letters and numbers.
Step5: Press the "Power" button on the front of the router to turn it on. Observe the lights on the front of the router for a proper connection. The Internet port should light up, along with a LAN port and the light for wireless.
The setting up of Wi-Fi is a very simple process, if done under the guidance of an expert.If you want to get the the process of netgear router setting then follow this article-How to Setup Netgear Router.
Note:To get technical support on netgear router ,you can reach online technical support service desk of V tech-squad at their Toll Free No +1-877-452-9201.