TL-WN725N N300 Mini WiFi Driver Installation & Setup
The following instructions are used to install and configure the TL-WN725 (Version 2.0) N300 Mini WiFi Driver. If you don't have this specific WiFi adapter this can be skipped.

Credit goes to MrEngman for providing up-to-date drivers for this adapter.

On Terminal Emulator:

• Enter the following commands to update the Raspbian O/S...
sudo curl https://dl.dropboxusercontent.com/u/80256631/install-Wifi.tar.gz | tar xz
sudo ./install-wifi

• Enter the following command to reboot the RaspberryPi...
sudo shutdown -r now 'Maintenance Reboot'   

RetroPie WiFi Setup
The following instructions are used to configure a WiFi Adapter from within RetroPie.

On RaspberryPi:

• In RetroPie Menu, use DPad to scroll up & down, highlight 'WIFI' and press 'A' button.
• Use DPad, highlight 'Connect to WiFi network' and press 'X' to select.
• Use DPad, highlight your WiFi SSID and press 'X' to select.
• Enter WiFi Password and press 'x' to continue, if connection is successful ESSID will display your WiFi SSID.
• Use DPad, highlight 'Exit' and press 'X' to confirm.
• The Ethernet Cable can now be disconnected from the RaspberryPi.

Show WiFi IP Address

The following instructions will show you how to display the RaspberryPi IP Address.    

On RaspberryPi:

• In RetroPie Menu, use DPad to scroll up & down, highlight 'SHOW IP' and press 'A' button.
• Record WiFi IP Address, this is required for SSH access from remote machines (i.e. Windows Device).
• Press 'A' to select OK to return to Emulation Station - RetroPie Menu Options.