You want to set up a Wi-Fi network under Windows 8? First make sure that your computer or laptop has a built-in Wi-Fi unit (a LED usually indicates if the feature is enabled or not). If you are using a Wi-Fi USB adapter, make sure the appropriate driver is installed.
To connect to a Wi-Fi hotspot:
Press Windows key + C to open the Charm Bars.
Click on Settings > Networks.
Select your network from the list .
Enter the network security key and click on "Next".