OS X El Capitan: Set advanced Wi-Fi options
You can set advanced Wi-Fi-specific options. For example, you can specify Wi-Fi preferred networks and arrange them in order of preference, and specify whether an administrator password is required to control certain Wi-Fi capabilities, such as turning Wi-Fi on or off.
-
Choose Apple menu > System Preferences, then click Network.
-
Select Wi-Fi in the list on the left.
If Wi-Fi isn’t in the list, make sure you have a Wi-Fi card installed in your computer, then click the Add button
at the bottom of the list. Click the Interface pop-up menu, choose Wi-Fi, give the Wi-Fi service a name, then click Create. -
Click Advanced, click Wi-Fi, then select the options you want to set up:
-
Add a network to your network list: Click the Add button
at the bottom of the Preferred Networks list, enter a network name, then choose a security type from the pop-up menu. To view available Wi-Fi networks, click Show Networks, then choose a wireless network from the list. -
Automatically add a networks you joined to networks list: Select “Remember networks this computer has joined.”
-
Require an administrator password to change options from the Wi-Fi status menu: Select any action under “Require administrator authorization to.”
-