Serial Terminal Program Windows 10

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You'll probably need to connect to a serial port now and then. I have two programs I use for connecting to Serial devices, putty and X-CTU. While not the most powerful serial port software, putty does a good job.

It also does telnet and ssh so that's handy as well. You can download putty from or On the off chance the site is down, here is a mirror.

The installation defaults are pretty good. Putty is pretty simple to run, just run the Putty tool. For serial ports first click Serial in the radio buttons. Then type in the Serial name in Serial line (e.g. COM5) and finally, set the Speed to be whatever speed you like.

Then click Open to open the port. I also sort of like X-CTU which has more low-level tools like the ability to toggle and monitor the flow control lines, view hex codes, see both incoming and outgoing bytes, generate and send packets, etc.

Once installed, you can run just the Serial Console from the Tools menu. Start off by Configuringthe serial connection. Unlike Putty, you'll get a GUI interface to select the serial port, byte encoding, baud rate, and whether you want flow control.

Once configured click the Open Port button. If you type into the console the sent data is shown in blue. Incoming data is shown in red. On the left you see the ASCII values, on the right, HEX bytes.

Serial Terminal

In this case I sent the text abcde to a USB serial cable with nothing connected to the end.

I then connect RX and TX pins together so that sent data would come back as received data and typed in ECHO. What is really easy is setting and unsetting the flow control lines, handy if you, for example, want to test that DTR is resetting an Arduino compatible chip, or that the CTS line goes high/low based on the pin settings of a breakout board.

This guide was first published on May 05, 2016. It was lastupdated on May 05, 2016. This page (Serial Terminal) was last updated on Apr 03, 2022. Text editor powered by tinymce. Here is our selection of free utilities with their pros and cons that can be used to monitor your serial ports:.

This RS232 Data Loggeris a free, open-source application for monitoring serial interface activity. simple interface that allows you to quickly start monitoring your ports;.

monitoring your system’s RS-232 communication in real and virtual environments;.

save captured data from multiple ports directly to a file for later analysis and enable or disable monitoring on-the-fly;. since it is an open-source project you can study the code to learn about serial programming;.


run on all Windows versions from Windows 98 through the latest version of Windows 10 (32-bit and 64-bit). ability to save data in a text file only. The HyperTerminal was an incredibly useful pre-installed Windows tool included before Windows 7. A darling of power users with hundreds of uses, these days it’s sadly gone.

It’s no longer part of Microsoft’s vision for their operating system. The problem is that plenty of guides, fixes and advice you wouldl find on the internet may still need the HyperTerminal to work.


The good news is that there are plenty of great HyperTerminal alternatives for Windows 10 that are only a click away. We’ve rounded up some of the best ones you can try right away.

Best of all, they’re all free. A terminal program is a type of application that uses a text-based interface to allow users to access all sorts of services.

A terminal is designed as a way to send commands to another computer system. So, unlike the command line program in Windows, a terminal isn’t exclusively designed to control your own local computer.

What Was HyperTerminal?

Using a terminal program, you can send low-level commands through a serial port or through a network connection. Services such as Telnet, were popular use of terminal software.

It’s also possible to control certain devices to the serial port by using the terminal. One of the main reasons people used HyperTerminal in the past has been to make use of the Secure Shell (SSH) function.

This is a protocol used to securely send commands over a network in text form and is a common power user requirement.

  • Microsoft cushioned the blow of removing Hyperterminal by building a secure shell command into the command line program that still comes with Windows.
  • So, if all you need is secure shell functionality then there is no reason to look for HyperTerminal alternatives. The Windows command line already has Windows remote shell functionality. With that small public service announcement out of the way, here are some of the best HyperTerminal alternatives for Windows 10.
  • The menu system makes it pretty easy to configure it exactly the way you like. As an Open Source package, you can be pretty sure that the community has done good quality of life work and that there’s no malware or privacy-infringing code in there.

So if you need a terminal emulator for mission-critical business reasons, you should obviously opt for a commercial solution instead.

Just as with Tera Term, PuTTy is another Open Source terminal program. Which means it has the same general caveats of any such program that doesn’t have paid support.

Free Serial Port Monitor

In case you didn’t know, PuTTy is actually the most popular HyperTerminal alternative in the world. At least, it is if we go by download count. As you might expect, the program itself is pretty good.
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