How do i secure my Linksys WRT-120n router's wifi, it's open?




IN ORDER TO SECURE THE LINKSYS WRT 120N ROUTERS WIFI WHEN IT IS OPEN WE HAVE TO FOLLOW THE FOLLOWING STEP
FIRST OF ALL WE HAVE TO CONNECTÂ A EATHERNET CABEL FROM THE ROUTER TO THE COMPUTER
NOW WE HAVE TO OPEN A BROWSER AND AT THE VERY TOP OF THE BROWSER THERE IS A LONG ADDRESS BAR WE HAVE TO TYPE THERE 192.168.1.1 AND THAT HIT ENTER AND WE HAVE TO USE admin  AS A USERNAME AND A PASSWORD
AFTER LOGIN ON THE PAGE CHOOSE SELECT WIRELESSÂ AND THEN CLICK BASIC WIRELESS SETTINGS FROM THE MENU BAR
THEN CLICK MANUAL AND THEN ENTER UNIQUE OF THE NETWORK INTO THE MAIN NETWORK (SSID) IN THE FIELD AND SAVE THE SETTINGS
CHOOSE WIRELESS SECURITY AND THEN CHANGE SECURITY MODEÂ to WPA2 PERSONAL
ENTER SECURITY KEY
NOW YOUR ROUTER IS SECURED

Firstly you have to connect the ethernet cable between your router and your computer/ laptop.
Now go to any browser and enter "http://192.168.1.1" it will take you to the router login page , the default password and the username are admin.
Select "Wireless," and then click "Basic Wireless Settings" from the menu bar.
Click "Manual." Enter a unique name for the network into the Network Name (SSID) field, and then click "Save Settings."
Choose "Wireless Security"and then change Security Mode to "WPA2 Personal."
Enter a security key, Click Save Settings.
now your router is secured