Click Start, then Connect to.
Your network name will appear. If not, click the two arrows in the top
right corner.
Type your 8-digit WPA2 key in the Security key or Passphrase text
box.
Click Connect.
Click the wireless networks detected message or double-click the icon
in your system tray.
Your network name will appear. Double click it.
In the wireless network connection box, type in your 8-digit WPA2
key.
Click Connect.
Click on the Airport icon.
Your network name will appear. If not, click the Airport icon again.
Click on your network name in the list.
Type your 8-digit WPA2 key in the Password text box.
Click OK.