How can I find where Python is installed on Windows?

I want to find out my Python installation path on Windows. For example:

C:\Python25

How can I find where Python is installed?

In your Python interpreter, type the following commands:

>>> import os
>>> import sys
>>> os.path.dirname(sys.executable)
'C:\\Python25'

Also, you can club all these and use a single line command. Open cmd and enter following command

python -c "import os, sys; print(os.path.dirname(sys.executable))"

If you have Python in your environment variable then you can use the following command in cmd or powershell:

 where.exe python

or for Unix enviroment

 which python

command line image :

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It would be either of

If you need to know the installed path under Windows without starting the python interpreter, have a look in the Windows registry.

Each installed Python version will have a registry key in either:

In 64-bit Windows, it will be under the Wow6432Node key:

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