With GUI, you need to go into the Environment Variables settings and set/modify the PATH variable from there, whereas in the CLI approach, all you need to do is run a couple of commands in the CMD ...

In order for this to work though, you need to know how to add Python to PATH. PATH is an environment variable. This is what tells the command line which folders it needs to look in when searching ...

Once I restart my PowerShell session, my old path will be back. If I need to ensure my new environment variable persists, I'll need to step over to .NET, which opens up a lot of other ways to work ...