The best practice is to enable Telnet Client only when you need it for a specific troubleshooting task. Once you’re done, you can go back to "Turn Windows features on or off" and uncheck the box. This keeps your system clean and secure.
How to Enable Telnet on Windows (10, 11, & Server): A Step-by-Step Guide
Use this command instead:
Need to test a port or connect to an old device? Telnet is still useful. Here’s the quick and safe way to enable it on Windows 10, Windows 11, and Windows Server.
pkgmgr /iu:"TelnetClient" You try to type telnet in Command Prompt, and Windows responds with: 'telnet' is not recognized as an internal or external command, operable program or batch file. how to enable telnet on windows
This simply means the feature hasn’t been installed yet. Follow either Method 1 or 2 above. Windows does not install Telnet by default for security reasons. A Critical Warning (Please Read!) Enabling Telnet is generally safe for local, trusted networks (like your home or office LAN). However, never use Telnet over the public internet or an untrusted Wi-Fi network (coffee shop, airport, hotel).
Now go test that port! telnet google.com 80 Have a question or a better method? Leave a comment below! The best practice is to enable Telnet Client
Whether you need to test if a specific port is open ( telnet yourserver.com 3389 ), configure a vintage router, or chat with an old-school MUD game, here is exactly how to turn it on in modern Windows. This method uses the classic Windows Features dialog. It works identically on Windows 10, Windows 11, Windows 8, and Windows 7.