Check if you have at least python 3.10 version python --version python3 --version

check if you have pip instaled pip --version if no type in

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py python get-pip.py

and then instal pysimplegui just type : pip install pysimplegui

and then in project catalog type python3 App.py or python App.py

and you can enjoy working application to db managment

login i haslo oraz uprawnienia sa przechowywane w pliku user.dat