run >> conda env list
output should look like below (base) C:\Users...>conda env list base * C:\ProgramData\Anaconda3
It means only one env 'base' exist.
run >> python --version output will look like 'Python 3.7.6'
run >> conda create --name py37 python=3.7 output will look like below Collecting package metadata (current_repodata.json): done Solving environment: done
run >> conda activate py37
conda create --name new_env --clone existing_env