How to Connect the Kindle Fire to the Internet

Method 1 of 2:

Swipe down from the top of the screen on your Kindle Fire, and select 'Wireless."
Verify that the Airplane Mode setting is switched to 'Off."
Tap on 'Wi-Fi,' then tap the 'On' button next to Wi-Fi. A list of Wi-Fi networks within range will display on-screen.
Tap on the wireless network you want to connect to. Networks labeled with a lock icon will require you to enter a password to access those particular networks.
Enter the password if required, then tap on 'Connect." Your Kindle Fire will then connect to the Internet using that particular network.^{[1] X Research source}

Method 2 of 2:

Swipe down from the top of your screen and tap on 'Wireless."
Verify that Airplane Mode is set to 'Off."
Tap on 'Wi-Fi,' then toggle Wi-Fi to 'On."
Tap on 'Join Other Network."
Enter the name of your network into the 'Network SSID' text field.
Click on the dropdown menu next to 'Security,' and select a network security type.
Enter the network password if required, then tap on 'Save." Your Kindle Fire will then connect to the Internet.^{[2] X Research source}