From the "system tray" in the lower right corner of your screen, click the "wireless network icon" pictured below.
Select this icon to open the list of available wireless networks in range of the device.
NOTE: If there is no network icon in the system tray, it may be hidden within the 'less frequently used items' area, which can be expanded by selecting the 'up-arrow', typically on the left-most edge of the system tray.
From the list of available networks, select 'Unifi' and press the 'Connect' button that appears after selecting it.
The connection process will begin and you should be prompted to enter user credentials at the prompt:
The following prompt will appear:
This is normal. Simply press "Connect" to proceed.
After a few seconds you should be notified that the connection was established successfully, as pictured below.
You now have internet access.