I followed the instructions in this page
After downloading the files, enter in the Arduino IDE, in the Preferences option, look at Sketchbook location
Place the zip file downloaded.
Once the zip file is there, launch the Arduino IDE, look at the Tools menu, the option Ardublock will appear there.
I made this program to control the Led, depending on digital pin 2 if it is HIGH or LOW, ther the blinking pattern will change.
The program, depending on the digital pin 2 is HIGH OR LOW, sets the DIGITAL PIN 13 on a different frecuency of turning LOW or HIGH. The DIGITAL PIN 13 is connected to a led in Arduino, so you can see how the blink speed changes.
In the video you can see, that we move the conection between PIN2 and VCC or GND, alternatively, and it produces a diferent blink speed.