WCH CH340 USB-Serial Driver 2.1.2025.07

Driver package for Windows 10, 11, 32-bit & 64-bit, ARM64. Released Jul 19, 2025.

Manufacturer
WCH
Version
2.1.2025.07
Release date
Jul 19, 2025
Windows
Windows 10Windows 11
Architecture
32-bit & 64-bit, ARM64
Size
228 KB
Hardware IDs
35 supported (see list)
Category
Ports (COM / LPT)WCH.CN

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Microsoft Update Catalog package (32-bit (x86), 64-bit (x64), ARM64)
228 KB · official package from Microsoft Update Catalog · SHA-256: cb95dfc4d5d5d8d9186387f144771b41cb246962b6f03e05e3166e7b88f3447e · check on VirusTotal
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How to install

  1. Make sure this is the right driver: open Device Manager (right-click Start → Device Manager), right-click your device → PropertiesDetailsHardware Ids, and compare the value with the supported IDs below. See how to find a hardware ID.
  2. The driver comes as a .cab package. Open Command Prompt as administrator in the download folder and unpack it:
    mkdir C:\Drivers\pkg
    expand -F:* 118e4eb6-c501-4983-bebe-1cccc04819b7_c9b1ff6d9f725171edd1cf90ef6e8ffa8c839f38.cab C:\Drivers\pkg
    (Alternatively, double-click the .cab file, select all files and copy them to a folder.)
  3. Install the driver: pnputil /add-driver C:\Drivers\pkg\*.inf /install — or in Device Manager right-click the device → Update driverBrowse my computer for drivers → select C:\Drivers\pkg.
  4. Restart the computer and check that the device no longer shows a yellow warning sign in Device Manager.

Supported hardware IDs

This driver package declares support for 35 device IDs. Open an ID to see every driver available for that device.

DriverVersionDateWindows
WCH CH341 USB-Serial Driver 3.9.2024.09 Sep 16, 2024 Windows 11
WinChipHead USB-SERIAL CH340/CH341 Driver 3.6.2021.12 Dec 1, 2021 Windows XP–11
WinChipHead USB-SERIAL CH340/CH341 Driver 3.5.2019.1 Jan 30, 2019 Windows XP–10
USB RS232 Drivers 3.8.25.0, 3.8.12.0 Mar 3, 2017 Windows XP–10
USB-SERIAL CH340 3.4.2014.08 Aug 8, 2014 Windows XP–10
WCH.CN PCI - SERIAL Drivers 3.4.2014.08 Aug 8, 2014 Windows XP–10