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.

Note that the Python interpreter must be included in the user's PATH variable to function from the command line. How to set the interpreter in the PATH differs between Windows systems.

Learn how to set the PATH variable in macOS. The PATH variable is a file system environment variable that contains the location of commands and program files. In this article, you’ll learn how ...