Create a virtual environment: `python -m venv venv`
Activate on Windows Command Prompt: `venvScriptsactivate`
Activate on Windows PowerShell: `venvScriptsActivate.ps1`
Activate on macOS/Linux: `source venv/bin/activate`
Verify activation: `which python` or `where python`
Deactivate the venv: `deactivate`