Check out this Wi-Fi and Bluetooth video for more info.
From a Home screen, navigate: Apps > Settings > Wi-Fi.
If presented with a Wi-Fi tutorial message, tap Close tutorial.
Ensure the Wi-Fi switch (located at the top) is turned on .
Tap the preferred Wi-Fi network.
If the preferred network is not listed, it can be added manually.
If presented, enter the appropriate password then tap Connect.
To view the password as it is being entered, tap Show password (enabled when a check mark is present).
If applicable, ensure any additional settings (e.g., Proxy settings, IP settings, etc.) are configured appropriately then tap Connect (located in the lower right).
To view the additional settings section, tap Advanced options (enabled when a check mark is present).