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Virtual COM Port Windows 10/11 Creation

Olga Weis Olga Weis
Jan 13, 2025

Virtual serial ports may be necessary for serial software developers or engineers. They are used for debugging or to connect multiple pieces of software or hardware to each other. Commonly, virtual serial ports are created by null-modem emulators or serial-to-USB hardware. Virtual Serial Port Driver takes them to another level and introduces a great amount of options and connection types.

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Virtual Serial Port Driver

Virtual Serial Port Driver

Virtual Serial Port Driver by Electronic Team, Inc. is a versatile solution that can create virtual ports and connect them either in pairs or in complex bundles. There are standard settings available, such as baud rate and package size, as well as less common ones, such as the pinouts of individual ports. A free trial is available if you need to be certain whether VSPD will work for your use case.
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Virtual Serial Port Driver

5 Rank based on 367+ users, Reviews(367)
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Virtual Serial Port Driver

In addition to creating a null-modem connection between any combination of physical and virtual ports, Virtual Serial Port Driver allows a single port to be split to multiple receivers, output from multiple ports to be joined into a single data stream, or create a bundle where the input and output of each port can be set individually. The loopback feature is highly useful in testing as well.

Enterprises in need of a custom solution should consider the Virtual Serial Port SDK, which allows our virtual port technology to be integrated into your product. Detailed guides and customer support specialists are there to make sure that the integration is successful.

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How to create virtual ports with Virtual Serial Port Driver

1
Download Virtual Serial Port Driver here.
The VSPD download page
2
Install and launch VSPD. Select “Continue Trial” when prompted.
Pair bundle selected in VSPD
3
Create a virtual port pair. You can use the “mode” command in CMD to check which port numbers are unoccupied.
Pair bundle creation and settings
4
Your newly-created virtual ports will show up as ordinary ones if you check with “mode”.
Virtual ports visible in CMD through mode
5
Use powershell to open both ports and send a message from one to another.
- Open two PowerShell instances
- Create a new-Object System.IO.Ports.SerialPort for each one
- Open both ports with Open()
- Run ReadLine() on one port and send a WriteLine() message on the other
Communication between two ports with 2 instances of PowerShell
6
In the message went through, congratulations! The pair is working.
Transferred data shown in Virtual Serial Port Driver

You can also see that some data was transferred. Virtual Serial Port Driver keeps track of the amount sent and received.

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Enabling Virtual COM Port Drivers

In most cases, USB serial device drivers activate automatically. However, some devices need to have them enabled manually. If your device didn’t start working after installing the driver or even after a restart, you should try an alternative approach.

  1. Open the Device Manager.
  2. Open “USB serial device controllers”.
  3. Right-click your device and select “Properties”.
  4. Go to the Advanced tab and enable “Load VCP”.

Frequently Asked Questions

COM port numbers can be changed in the Device Manager. Open it and navigate to the COM/LPT port section. Open the Properties for the port you want to change, go to the Port Settings tab and select Advanced. You will get the option there.
Try the following:

- If there is supposed to be a virtual COM port for your USB COM adapter, it may need driver installation.
- If a physical port is missing, you can add it from “Add Legacy Hardware” under the Action menu.
- On some versions of Windows 10, you may need to enable “Show Hidden Devices” under “View”.
Top choice

Virtual Serial Port Driver

  • Rank 4.9 based on 367+ users
  • Requirements: Windows 7/8/8.1/10/11 (32/64-bit), Windows Server 2012/2016/2019/2022, Windows on ARM. 6.55MB of free space.
  • Version 11.0.1068. (14 Nov, 2024). Release notes
  • Demo Limitations: 14-day fully-functional trial
  • Languages: English
  • Pricing: Starts from $139.95
  • The registered users of the previous version can upgrade with a 50% discount. Learn more
Buy from $139.95