Connecting your iPhone to your wireless network for the first time is a straightforward process.

Step-by-step guide

1. From your Home screen, open Settings and then Wi-Fi.
    
2. Turn on Wi-Fi. Your device will then automatically search for any of the available Wi-Fi networks in your area.
   
3. Press the name of your network, and enter the password when requested.
   
   
4. Underneath the Wi-Fi heading on the right of the screen, you should see your wireless network with a blue tick. This means that you're connected!
   
   

If you need further assistance, please see the Apple Support site.