You can install abetoo arduino library just as any other library, please follow this steps:

• Download one of the last stable version of the libraries available (links below)
• Select Sketch->Include Library->add .ZIP Library from Arduino IDE
• Select the downloaded .ZIP file and you’re done.

Arduino based on Wifi8266 module

Note: The library import line is #include “abtoo.h”

Arduino based on Wifi library, intended to be used with Arduino WiFi Shield (beta version)

Note: The library import line is #include “abtoowifi.h”

Arduino based on Ethernet Library, intended to be used with Arduino Ethernet Shield (beta version)

Note: The library import line is #include “abtooeth.h”

PD: If you experience any issue using any of this libraries please send me a message.