conda-create

Create new conda environments.

Create a new environment named py39, and install Python 3.9 and NumPy v1.11 or above in it

$ conda create --yes --name [py39] python=[3.9] "[numpy>=1.11]"

Make exact copy of an environment

$ conda create --clone [py39] --name [py39-copy]

Create a new environment with a specified name and install a given package

$ conda create --name [env_name] [package_name]