Download and install the Arduino IDE:
https://www.arduino.cc/en/Main/Software
Links used when you get to Arduino IDE > Preferences > Additional Boards Manager Step:
http://arduino.esp8266.com/versions/2.4.2/package_esp8266com_index.json
http://phpsecu.re/esp8266/package_deauther_index.json
Loading Wifi Jammer Step 1
Install ESP8266Flasher
This software is used to load the firmware to the ESP8266
You can download from our host or from the original link here
Our Hosted copy: ESP8266Flasher.exe
Original Link: https://github.com/nodemcu/nodemcu-flasher

