Installation procedure is given in the file InstalltionProcess_python&opencv.pdf. Ignore last 2-3 points in which ask you to check the version from another file. PS - This installation process file was obtained in a competition of IIT Bombay recently named E-Yantra. The installation was a part of Task 0.1.
After installing python and OpenCV on your desktop as shown, clone/download this repository and navigate to src folder. Right click on main.py file and select Edit with IDLE.
Now run main.py file.
If a error arrises stating -
import src.macros as M ModuleNotFoundError: No module named 'src'
Then simply remove "src." from $ import src.macros as M thus making it -
$ import macros as M
{NOTE - edit other import statments accordingly if required.}