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Go to your desired folder and run following in cmd/powershell:-
python -m venv venv
venv\Scripts\activate
ipython kernel install --user --name=venv
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python -m venv env
$ source env/bin/activate
(venv) $ pip install ipykernel
(venv) $ ipython kernel install --user --name=env
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# venv is the name of the virtual environment
ipython kernel install --user --name=venv