"[Errno 2] No such file or directory" (.py file)

[snippsat]

Here how to change Environment Variables Path
Same as image under,but you point to where you have installed Python 3.12.

Test with cmd(shall wok from any folder) that it work as under this is copy from my cmd:

C:\my_code>python --version
Python 3.12.2

C:\my_code>pip --version
pip 24.0 from C:\Python312\Lib\site-packages\pip (python 3.12)

When I try to reinstall Python from the

You don't need to reinstall Python is follow and fix Path as postet over,
if you need to re-install run as Administrator(right click on install file and run as administrator).