Clone/download the project, navigate to the directory housing the "main.py" in a terminal and run 'python main.py'.

$ git clone https://github.com/SyntaxVoid/ConnectFour.git

$ cd ConnectFour

$ python3 main.py

Requires python3, numpy, and tkinter.

To get numpy, (if you don't have it), do

$ sudo apt-get install python3-numpy

To get tkinter, (if you don't have it), do

$ sudo apt-get install python3-tk