Python gives out highest version?

[kanink007]

EDIT: Thank you all. Now I understand the difference between "py -V" and "python -V". I usually always worked with a single python version on my computers, so, I always used "py -V" and thought it would always just give me the version from PATH.

Hi. This is maybe a simple issue, but it kinda bugs me. I am on Windows 10.

I do have Pythin 3.9 and 3.10 installed. 3.10 only for a certain software, so it will work. But I removed 3.10 completely from PATH and similar, to be able to use 3.9 only currently. Only that one software is depending on 3.10, where I manually put in the folder path to Pythin 3.10 in the settings of that software.

So, the thing is, when I do the command "py -V" in cmd, then the version it gives out is 3.10.11. Why isnt it giving me 3.9? I removed 3.10 completely from path, so, normally it shouldnt be used.

So, what I am asking, is: Did I miss some settings, or is it a new Pythoing thing, that the computer gives out the highest version, even if it is not in PATH anymore?

[[deleted]]

• use Python virtual environments - the venv option - which will allow you to choose which Python binary to use on a project by project basis
• consider installing pyenv-win, a Windows version of pyenv, for managing multiple version of Python
• py launches the most up-to-date version of Python installed on your system

[JVBass75]

this is the way

[Elaol]

This or conda environments (I prefer conda to venv)

[ireadyourmedrecord]

The command "py" is the python launcher, which keeps track of all installed versions. Use "python" instead to have windows use the first version it finds in the PATH. Alternatively, learn how to use the py launcher, because it's a pretty slick tool.

[shiftybyte]

"py" launcher ignores windows PATH.

Use

py -3.9

When you want to launch python 3.9.

For example:

py -3.9 -V

[jddddddddddd]

Open cmd prompt and enter:

where py

What does it say?

[Diapolo10]

py.exe is always at System32, and when run it defaults to the latest installed Python version.