Ensure that your wireless router is turned on.
Click on the network connection status icon.
The following menu should appear. Select the network you wish to connect to.
If you cannot see any wireless networks, you may have to enable your hardware; see the [link]Additional Drivers[/link] section for instructions.
If your wireless network is protected by encryption, you will have to enter the passphrase.
You should get a popup saying that the connection is established.