STEP1:Install Arduino IDE and start up the Arduino IDE
STEP2:Put this library in the following location:
# OR read this page # https://www.arduino.cc/en/Guide/Libraries
Please install the library in the location listed above only,
otherwise you may see the following warning message consisting of the following lines upon attempting to compile.
>Arduino: 1.6.8, Board:"Arduino/Genuino Uno"
>Multiple Libraries were found for "Kalman.h"