Silicon Labs CP210x USB to UART Bridge (COM10) Driver

The Silicon Labs CP210x USB to UART Bridge (COM10) driver lets Windows communicate with compatible USB-to-serial hardware through a virtual COM port. Provided by Silicon Laboratories, it is needed for applications that exchange serial data with connected devices, such as development boards, embedded controllers, and diagnostic equipment. The COM10 label identifies the port assigned by Windows; it is not a separate hardware model.

Key Features

• Virtual COM port access: Enables serial applications to send and receive data through the CP210x USB-to-UART bridge.
• Serial communication settings: Supports configuration of baud rate, data bits, parity, and stop bits through compatible software.
• Device Manager integration: Makes it easier to locate the connected adapter, check its assigned COM port, and review driver status.
• Windows driver options: Driver releases are available for Windows 10, 8.1, 7, Vista, and XP, but compatibility depends on the package. Older systems may require a legacy release rather than the latest version.

How to Install Silicon Labs CP210x USB to UART Bridge (COM10) Driver

1. Check your Windows version. Confirm your operating system and whether it is 32-bit or 64-bit. If you use Windows 10/11, check the package’s release notes for explicit support; Windows 11 compatibility should not be assumed from a Windows 10 listing.
2. Choose the correct package. Before starting your Silicon Labs CP210x USB to UART Bridge (COM10) driver download for Windows, verify the supported operating systems and hardware. Use an official, free download where available.
3. Extract and install. Unzip the downloaded archive if necessary. Run the included installer and follow its instructions. If no installer is supplied, use Device Manager’s Update driver option to browse to the extracted driver folder.
4. Connect the device. Plug the CP210x-based hardware into a working USB port using a data-capable cable. Allow Windows to finish detecting it, and restart only if prompted.
5. Confirm communication. Open Device Manager and check Ports (COM & LPT) for the bridge without a warning icon. Select the displayed COM port in your serial application—it may differ from COM10—and match the communication settings required by your hardware.

Keep the driver updated when a compatible release addresses connection issues or improves system support. Before you update, review compatibility notes: the latest version is not always appropriate for older Windows installations.