win10 install python virtual environment virtualenv
The first step: install virtualenv directly with pip
pip install virtualenv
Step 2: Add a virtual environment
virtualenv 虚拟环境名称
例如（py为虚拟环境名称）：virtualenv py
ps:执行安装命令后需静静地等待几分钟
Step 3: Enter the virtual environment
虚拟环境名称\scripts\activate
例如：py\scripts\activate
Common commands
Enter the virtual environment and enter the command: workon environment name
Exit the virtual environment and enter the command: deactivate
Delete virtual environment input command: rmvirtualenv environment name
List the virtual environment input command: lsvirtualenv
Enter the virtual environment directory and enter the command: cdvirtualenv environment name