NOTE: Screenshots are from a Samsung S10 and the location of these settings may be different depending on your Android device.
Step 1: Go to Settings and click on "Connections."
Step 2: Make sure the toggle to the right of Wi-Fi is blue (ON).
Step 3: Click on Wi-Fi and allow your phone to search for nearby networks.
Step 4: Select the Wi-Fi network you would like to connect to.
Step 5: You will then be prompted to enter a password. Once you have entered the password, click "Connect."
If you have successfully connected to the network, you will see "Connected" under the Wi-Fi name.