These are NOT product / license keys that are valid for Windows activation.
These keys only select the edition of Windows to install during setup, but they do not activate or license the installation.

• Windows 11
• RTM Generic Keys

Install the netcat nc command with Homebrew (otherwise Mac OS X version is really old and the interface is different):

brew install netcat

Use netcat to listen for incoming TCP connections on port 3000:

nc -l -p 3000