1. Download python on your computer 
  https://www.python.org/downloads/

2. Install these all packages
   
   pip install pyjokes
   pip install speech_recognition
   pip install pyttsx3
   pip install pyaudio
   pip install sqlalchemy 
   pip install pywhatkit
   pip install wikipedia
   pip install webbrowser
   pip install pyautogui 
   pip install requests 
   pip install bs4 
   pip install sounddevice
   pip install soundfile