On This Page
The Belkin USB-to-Serial Adapter (COM3) driver lets Windows recognize the adapter and communicate with compatible serial devices through a USB port. It is useful for connecting equipment such as modems, barcode scanners, and industrial controllers to a computer without a built-in serial port. If your adapter appears as an unknown device or your serial application cannot connect, installing the appropriate driver is a practical first troubleshooting step.
Key Features
- USB-to-serial communication: Enables compatible applications to exchange data with equipment connected through the Belkin adapter.
- Virtual COM port access: Makes the serial connection available as a COM port in Windows. COM3 is the assigned port name, not a separate adapter model, and the number may vary between computers.
- Serial connection settings: Allows supported parameters, such as baud rate, parity, and flow control, to be configured through Windows or your serial application.
- Support for listed Windows versions: Driver selection covers Windows 10, 8.1, 7, Vista, and XP, subject to the adapter’s exact model, hardware revision, and available driver package.
How to Install Belkin USB-to-Serial Adapter (COM3) Driver
- Identify your adapter and operating system. Check the model number on the adapter label and confirm whether Windows uses a 32-bit or 64-bit architecture. If necessary, find the adapter’s hardware IDs in Device Manager.
- Choose a compatible package. Before starting your Belkin USB-to-Serial Adapter (COM3) driver download for Windows, verify that the package matches your hardware and OS. Select the latest version explicitly supporting that combination. A free download label alone does not establish authenticity or compatibility.
- Install the driver. Extract the downloaded archive if needed, then run the installer and follow its instructions about when to connect the adapter. For a package without an installer, use Device Manager’s Update driver option and browse to the extracted driver folder.
- Confirm device recognition. Connect the adapter and check Device Manager under Ports (COM & LPT). Verify that it appears without a warning icon and note its assigned COM port.
- Test your serial connection. Select the same COM port in your application and match the communication settings to the connected equipment. Restart Windows if the installer requests it.
Keep the driver updated when a compatible release addresses a connection problem or operating-system change. For Windows 10/11 systems, check support separately: Windows 10 compatibility does not establish Windows 11 support. Before an update, retain your working installer so you can restore it if needed.
Driver Details
| Device | Belkin USB-to-Serial Adapter (COM3) |
|---|---|
| Vendor | Belkin |
| Category | USB |
| Supported OS | Windows 10, 8.1, 7, Vista, XP |
| Published | November 1, 2026 |
| Updated | November 1, 2026 |