Can i check this box " Add anaconda3 to my path environmental variable", If i already install "python"

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I already install python so is there a need to check this box of " Add anaconda3 to my path environmental variable" Anaconda Install

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If you've already installed a Python version, it's probably on the system path and you can call Python on the command prompt.

Anaconda works differently. You first have to activate an environment (there is at least the base environment), before you can call Python. You have 2 options:

  1. Call Python from the Anaconda Prompt
  2. On the command prompt run conda activate before calling Python

An activated environemnt will change the command prompt to something like

(base) C:\

If you add Anaconda Python to the Path, your previous install is no longer accessible. Anaconda's Python will start, but with a limited set of packages only and e.g. no C-libraries.

There are only a few special use cases where adding Anaconda Python to the Path makes sense.

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