Environment ... the PATH variable for those programs or commands in the environment variable so you can access them from anywhere on the file system hierarchy. For example, with Python ...

It’s written in Python programming language and is executed as a command line to install ... and click on Environment Variables. Next, under User variables, click on New. Now, add the Variable ...

The py launcher is optionally installed during the setup process when you first install Python on Windows. At one point, you’ll be prompted to do so, as per the screenshots shown below.