Use the package manager pip to install instaloader and requests.
Install "Insta-Loader" library.
$ pip3 install instaloader
Install "Requests" library.
$ pip3 install requests
Run this command for your environment configuration.
$ python3 IGT_CYW.py -s
or
$ python3 IGT_CYW.py --setup
And you can check them with "ls" command on your working directory.
username, password, target = "<your_ig_username>", "<your_ig_password>", "<target_ig_username>"
Change variables for your instagram credential in python script.
Paste this command and run.
$ python3 IGT_CYW.py