Answers for "python 3.9 1 windows virtual environment"

create venv in windows

# windows
python -m venv <venv-name>
# To activate
#C:Users..<venv-name>
.Scriptsactivate.bat

python create virtualenv

pip install virtualenv # install first
cd projectfolder # go to project folder
python -m venv ./venv # Create a virtual environment named venv
Activate.ps1 # (powershell) start the file  to start the environment
activate.bat # (cmd) start the file  to start the environment
# if it worked you'll see a (venv) in front of your cursor path