To download the dependencies in Python, route your current path to this directory in cmd and then run the below line(after cloning the repository)
pip install -r requirements.txt
This will download all the necessary dependencies for this code
After cloning the repo and routing to the directory where the repo is stored, in your command prompt please run the command
python main.py
And it will ask you for a input string, you can type it there, e.g: I'm a good guy, and it will throw the Valence, arousal, emotion tag in the cmd window itself