After download and install VS code you will face issue to install packages. This is because you need to add paths to environment variables.
To do this follow the steps :
C:\Users\avik_\AppData\Local\Programs\Python
add : C:\Users\avik_\AppData\Local\Programs\Python\Python39 and C:\Users\avik_\AppData\Local\Programs\Python\Python39\Scripts
to your environment variables.