Python2, 3 environment variable configuration (WIN10)

1. Locate this computer, right click on the properties

2. Left sidebar, advanced system settings

3. Click Advanced in the System properties

4. Click Environment variables

5. You can see a user variable and a system variable of two boxes

Where the system variable is to be used when you open CMD is run as Administrator in the environment variable

The previous user variable is the environment variable used to open cmd normally

Next, click on "Path" in the user environment variable.

And then create a new

Then enter the location of Python and create a new one to enter another python

Then notice that back to two Python locations, you'll see a python.exe

Entering python in Cmd will execute Python.exe

Because the Python2 Python3 folder is also Pyhon.exe

The system automatically picks up the previous one, so you need to rename one and then use the name as the command

If I were to name Pyhon2.exe in Python2,

Configuration complete

Python2, 3 environment variable configuration (WIN10)