1)Go to the repository of the Flappy bird file in the terminal
2)Type python flappy_bird.py file
3)The file will execute
Note: you can change the population (pop_size) of birds by editing the info file if the population is less then it takes more generations to get better results and if we increase the population the training will get better for each generation and gets better results with less generations
Windows
1)Install Python3 in windows and check it is running updated version