How do I password protect my linksys wireless n

HI ,
1)Access the router’s web-based setup page.

2)When the router’s web-based setup page appears, click Wireless then Wireless Security.

3)Under Security Mode select WEP.

4)Under WEP Encryption select 64 bits 10 hex digits.

5)Type a wireless network password of your choice such as “MySecretKey,” then click Generate.

6)The result will be a string of random characters. Copy the resulting string since this will be the key to your wireless network

7) Click ``Save Settings``