For example, with Python installation, unless the installer gives you an option to set the PATH automatically, you have to do it explicitly to use Python within any directory on your system.

Written in Rust, the PyApp utility wraps up Python programs into self-contained click-to-run executables. It might be the ...

If you set a version number (e.g., 3.9-64 or just 3.9) with either PY_PYTHON or the previously mentioned environment variables, py will default to launching that version.